Jul 6, 2011. 4,177. FL. Jun 6, 2019. #4. rock909 said: @ps0303 Any assistance is appreciated the part arrives today planned on tackling this week. Turn off power to heater and also turn off your pump. Remove the top and bottom side panel as well as the two front panels.Summary of Contents for Hayward H300FD. Page 1 POOL AND SPA/HOT TUB HEATERS H150FD, H200FD, H250FD, H300FD, H350FD, H400FD & H500FD MODELS OWNER'S MANUAL FOR YOUR SAFETY WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, PRINTED 10/24/2011 AT 1:13 PM injury, or death.View and Download Hayward H150FDN troubleshooting manual online. universal h series heaters. H150FDN heater pdf manual download. Also for: H150fdp, H150fdpasme ...Hayward 250 pool heater throwing AO code. Replaced control board, blower motor, pressure switch, igniter. Still not turning on. … read more. Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts.Jul 21, 2013 47,051 Northern NJ Pool Size 35000 Surface Plaster Chlorine Salt Water Generator SWG Type Pentair Intellichlor IC-60Note: You can also read how to fix Hayward pool heater H5 code. 1. Faulty Wiring Connection on Circuit Board. As you have read above, 5F/SF is an indication of temperature sensor failure. The first reason behind this issue would be a faulty wiring connection on the circuit board. The temperature sensor or thermistor is securely plugged into the ...View and Download Hayward H250FD owner's manual online. POOL AND SPA/HOT TUB HEATERS. H250FD swimming pool heater pdf manual download. Also for: H200fd, H150fd ...Double Feature - Hungry? Hayward pool heater with ignition failure along with multiple issues. 9 years old. Time for a replacement. Cost effective solution i...In ground pool/spa gas heaters (44 pages) ... Heater Hayward ED2 Fault Code Thumbnails (18 pages) Heater Hayward C-SPA-XI 5.5 Installation And Operation Manual. Pool and spa/hot tub heaters (24 pages) ... Diagnostic Codes Below is a list of all Diagnostic Codes for the HDF Heater. Troubleshooting Steps for each Code are covered on the following ...Dec 21, 2020. #20. I'm not 100% convinced that the valve is being operated correctly. Assuming the valve is being set correctly. You likely have a refrigerant leak. A diagnostic service call will probably be over $100.00. Finding and fixing the leak and then recharging is likely to be more expensive than it’s worth.Note: You can also read how to fix Hayward pool heater H5 code. 1. Faulty Wiring Connection on Circuit Board. As you have read above, 5F/SF is an indication of temperature sensor failure. The first reason behind this issue would be a faulty wiring connection on the circuit board. The temperature sensor or thermistor is securely plugged into the ...Diagnosis of common problems on a Hayward pool heaterHayward W3H300FDN Universal H-Series Low NOx 300,000 BTU Natural Gas Residential Pool and Spa Heater with Bundle* Warranty Better Buy Pool Supply will provide you with the Full 2 Year Manufacturer's Warranty plus 1 Year Installation Warranty upon installation by our professionals. From the Manufacturer The Universal H-Series is an energy efficient, high performance, installation […]When I first encountered the Hayward 1F error code on my pool heater, I have to admit, I was a bit puzzled. The error code seemed cryptic, and I wasn't sureMy pool heater stopped working and the display showed IO which means the igniter is bad. It was replaced and still showed that code. Troubleshooting came to...Many choose Hayward pool heaters to keep their pool water comfortable and warm. However, sometimes these heaters can experience issues that require a reset. To reset your Hayward pool heater, you'll need to turn off the power, wait a few minutes, and then turn it back on again. This simple process can resolve many common […]Step 13. Remove the 4 screws from the bottom of the front and rear panels and pull up and out to remove each one. Step 14. Use needle nose pliers to remove the 2 red wires from each of the high limit switches. Remove wires from water pressure switch.Learn the basics of tankless water heater installation and replacement, including the cost, materials and tools needed to get the job done. By clicking "TRY IT", I agree to receive...Please enter a zip code within the 48 contiguous states. i. Please enter a valid zip code Your zip code will help us to provide you with the most up-to-date delivery information RALEIGH, NC #466 Buy Online Pickup In-Store Available! Curbside Available. Leslie's Pool Supplies ... Hayward Pool Heaters. Home Equipment Pool Heaters & Heat Pumps ...About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...Bad ribbon cable plus broken vacuum sensor hose and to top it all off, some critters found a nice cozy home!"CE" code is normally fixed by replacing the disp...When your Hayward pool heater flashes the 'bo code', it's signaling that there's an issue with the bypass operation. Here's a strategic approach to get your heater back to optimal functionality. Reset the Heater: Turn off the heater and the circuit breaker for 30 seconds. Power up the system again to see if the 'bo code' persists.Pilot Light Failure. If the pilot light on your Hayward Pool Heater H Series isn't igniting, it could be due to dirt or debris blocking the pilot assembly.. Gas Supply Issues. Check the gas supply to ensure there are no obstructions or leaks that may prevent proper ignition.. Flow Issues. Proper water flow is critical for the functioning of a Hayward Pool Heater H Series.View and Download Hayward H250FDN service & installation manual online. POOL AND SPA/HOT TUB HEATERS. H250FDN heater pdf manual download. Also for: H250fdp, H350fdn, H350fdp, H400fdn, H400fdp.1-16 of 921 results for "Hayward Pool Heaters" Results. Hayward. W3H400FDN Universal H-Series 400,000 BTU Natural Gas Pool and Spa Heater for In-Ground Pools and Spas. 4.2 out of 5 stars. 464. $3,999.00 $ 3,999. 00. ... Pool Heater for Above Ground Pool and Inground Pools, Max Output 38864BTU/hr Up to 10000gallons Electric Swimming Pool Heat ...Benefits of CE Code-Compliant Heaters. Investing in a Hayward heater with CE Code compliance offers several advantages: Peace of Mind: You can enjoy your pool without worrying about safety or potential legal issues related to your heater. Longevity: CE Code-compliant heaters are built to last, reducing the need for frequent replacements.Hayward H150FDN Pdf User Manuals. View online or download Hayward H150FDN Owner's Manual, Troubleshooting Manual ... Swimming Pool Heater | Size: 6.96 MB Table of Contents. ... Diagnostic Codes and Part Numbers. 19. Troubleshooting Guide. 20. Heater Not Powering up. 21. Open FC1&/FC2 Fuse. 27.Its compact design allows for easy installation and service on new or existing pools. Titanium Heat Exchanger - excellent salt water and chemical corrosion resistance ... HP31005T Hayward HeatPro Heat Pump Manual (51300056501RevG) (opens in new tab) Export 0 Assets. Export type selection. Export 0 Assets. Clear Selection ...For hayward pool heater if code repair, check the pressure switch and ensure proper pressure is being reached. Hayward pool heaters display an "if" code when the pressure switch is not closed. This is caused by insufficient water flow, closed valves, air in the system, or a clogged filter. It is important to identify and fix the issue ...We have 4 Hayward H400FDN manuals available for free PDF download: Troubleshooting Manual, Service & Installation Manual, Owner's Manual Hayward H400FDN Service & Installation Manual (64 pages) POOL AND SPA/HOT TUB HEATERSInspect Water Flow. Examine water flow through the system. Check for obstructions, clean filters, and ensure proper circulation. Inadequate flow can trigger HS IO Code. Test Sensors. Verify the functionality of temperature sensors. Use a multimeter or consult the manual for testing procedures. Replace sensors if they are faulty.We have a standalone spa with this 200,000 BTU gas heater. To me, this is superior to the typical electric heated self-contained systems because it heats cold tap water to 104 degrees in about 30 minutes in our 250 gallon spa.In ground pool/spa gas heaters (44 pages) ... Heater Hayward ED2 Fault Code Thumbnails (18 pages) Heater Hayward C-SPA-XI 5.5 Installation And Operation Manual. Pool and spa/hot tub heaters (24 pages) ... Diagnostic Codes Below is a list of all Diagnostic Codes for the HDF Heater. Troubleshooting Steps for each Code are covered on the following ...Hayward pool heater SF temperature Sensor error code. Starts up but turns off and present error code SF. (Part 4) shows heater working and explains how we fi...The Hayward Pool Heater SF Code is a safety feature that prevents the pool heater from over-heating. The code stands for "Safety Fault" and is displayed when the temperature in the heater exceeds 110 degrees Fahrenheit (43°C). It will shut off power to the pool heater until it can cool down to a safe temperature.Swimming Pool Builders; Architects & Building Designers; Design-Build Firms; Interior Designers & Decorators; Kitchen & Bathroom Designers; Lighting Designers and Suppliers; 3D Rendering; Sustainable Design; ... Help - Hayward Heater - Ignition Failure (IF) Problem. john888. 16 years ago. Hi. I just had my pool installed last summer.Main Takeaways. When troubleshooting a pool heater, check the power, temperature settings, filter, pool pump, and plumbing valves. Some common issues with gas pool heaters are with the pilot light, leaks, dark exhaust, and rust. I recommend contacting a professional to help with complex fixes such as electrical, plumbing, or motor issues.A Hayward pool heater is a valuable investment that can extend your swimming season and enhance your pool's comfort. While encountering the Hayward Heater AO code can be frustrating, it's not an insurmountable problem. By understanding the potential causes and following the troubleshooting steps outlined in this blog post, you can often ...These Hayward pool heater troubleshooting codes and explanations will help you fix the problem. Skip to content ☏ Click to call: 407-786-0000. Services Menu Toggle.From https://www.swimmingpoolsteve.com/pages/heater-break.html - If you have a problem with your pool heater in that it will not fire or turn on, this video ...The heat exchanger may be leaking because: (1) Chemical imbalance. (2) Sanitizer damage. (3) Winter freeze damage. (4) Failed joints. Regardless of the reason, a Hayward service company must be contacted to inspect the failed exchanger. Contact an Authorized Hayward Dealer/technician for examination.For hayward pool heater if code repair, check the pressure switch and ensure proper pressure is being reached. Hayward pool heaters display an “if” code when the pressure switch is not closed. This is caused by insufficient water flow, closed valves, air in the system, or a clogged filter. It is important to identify and fix the issue ...In conclusion, troubleshooting the Hayward pool heater code 1F can be done by following a few simple steps. First, check the water flow to ensure there aren’t any blockages or restrictions. Next, inspect the pressure switch for any signs of damage or malfunction. If necessary, clean the heat exchanger to remove any debris or buildup.Hayward Insights provides expert advice, tips, and industry updates to help pool owners and enthusiasts with their swimming pool experience. Gain insight. ... Phase Heaters: 1.0000: Pool Type: In Ground: Product Dimensions: 24 " x 25 " x 29.5 "Product Height: 24 in: Product Length: 29.5 in: Product Weight: 165 lb: Product Width: 25 in:Turn the thermostat all the way up on the heat pump. These units are not compatible with 3 wire remotes. For 2 wire air switch installations remove the jumper between terminals 1 & 2 and replace it with the 2 wires from your switch. Set the thermostat on the heat pump to the desired temp. Wiring Diagram HPABG / HP380.The FibroPool FH 270 Swimming Pool Heat Pump is designed to provide 70,000 BTUs of heating power for in-ground and above-ground pools up to 450 sqft in size. With a 5.77 COP rating, this pool heat pump is one of the most efficient on the market, generating $5.77 of heat for every dollar of electricity used.Meaning of Display Codes Service Analyzer Codes Most problems will be detected by the service analyzer and a code will be displayed on the digital display of your heater. Display Meaning of codes The desired programmed temperature point is lower than 60°F (15°C). Page 20: Troubleshooting Troubleshooting The pool heater is not running.Create an Account & Add a Pool 10-12 Find IP Address (mobile) 13-14 Find IP Address (pc) 15-17 Setup and Suspect a Sub Account 18-24 Troubleshooting: Pg. 25-44 1. LAN Function Not Working 26-30 2. Unit Not Communicating 31-35 3. Web/App Account: Login Failure 36-37 4. Endless Refresh OR Failure to Refresh 38-41 5.Hayward Heat Pro W3HP21104TC 110,000 BTU Lo Ambient pool heater pump has continuous temperature display, self-diagnostic codes, UV-resistant cabinet. Call Us Nationwide: 1-800-741-9956. ... Hayward W3HP21104TC Pool Heat Pump - Lo Ambient - 110,000 BTU Features & Benefits:GAS HEATERS: Universal H-series ASME Heater: 3 Years: CHLORINE GENERATOR & UVO3 SYSTEMS: Saline C ® 6.0 & 11.0 Salt Chlorine Generators: 2 Years* None: 2 Years* None: 2 Years** 2 Years* *Salt cells carry an 18 month parts warranty. * No field labor, factory repair labor only. **Salt cells carry a 1 year full warranty & a prorated warranty for ...Swimming Pool Builders; Architects & Building Designers; Design-Build Firms; ... Help - Hayward Heater - Ignition Failure (IF) Problem. john888. 16 years ago. Hi. I ...Hi, My new customer has a 6 year old Hayward H400 pool heater- natural gas - manual operation. When trying to turn on, the ignition "clicks" but never fires up. Shows IF on the heater diag screen.Universal H-Series Natural Gas 150,000 BTU Low NOx Pool Heater. 11. (2) Questions & Answers (9) Hover Image to Zoom. $ 2409 00. $402.00 /mo† suggested payments with 6 months† financing Apply Now. Professional installation highly recommended. Patented bypass design ensures better hydraulic performance.Fits hayward universal h-series low nox pool heater models h150fdn, h150fdp, h200fdn, h200fdp, h250fdn, h250fdp ; Also fits hayward universal h-series low nox pool heater models h300fdn, h300fdp, h350fdn, h350fdp, h400fdn, h400fdp ; Weight 4 poundsApr 4, 2020. #7. You can check the ignitor with a meter by measuring the ohms at the 2 leads coming from the ignitor. An older silicon carbide ignitor ( shiny crystalline and fragile ) will normally ohm out at 45-150 ohms. A newer silicon nitride ignitor ( Looks like a smooth dull black matchstick ) will normally ohm out at about 11-17 ohms.How to replace the keypad on a Hayward HD400 gas pool heaterHayward's induced draft heater for above ground pools and spas combines reliable technology with ease of operation and superior performance. The store will not work correctly in the case when cookies are disabled. ... Phase Heaters: 1.0000: Pool Type: Above Ground: Product Dimensions: 22.6 " x 21.4 " x 30.3 "Product Height: 22.6 in: Product ...If the Flowsensor persistently detects a No Flow state the system may need to be inspected and maintained by a Hayward Authorized Servicer . The Flowsensor detects water flow from the filter pump in a Body Of Water. It is unsafe to run water treatment features, such as heating, Chlorination, or pH adjustments while there is no water flow.May 12, 2023. #1. Hey guys long time reader, but just getting frustrated trying to find the right steps/diagnostics for my issue. I have an 11year old Hayward (H400FDN) heater, 2 years ago I replaced all the boards. The heater has worked like a champ since. This past week we were using the heater quit and started throwing the IF code.Multiple Failures Diagnosed while Explaining Issues to Homeowner. How to Properly Run a Successful Heat Pump Service Call. Hayward Pool Heater Repair.Let's M...Step 1 Step 2 Verify the heater’s power LED is illuminated, and put the heater is Using the up and down arrows adjust the heater to the desired the desired mode. Page 13 How To: Set Clock Follow these steps to adjust the Clock Settings. Note: blocked off areas of the display represent flashing numbers.Pomona, CA Clemmons, NC Nashville, TN Tel: 908-351-5400 www.haywardpool.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS 51 INTERNAL WIRING: If the heater display is blank after the electrical has been installed see Figures 43 and 44 to determine theOur network of certified personnel can help you build your pool, recommend a product, repair a faulty product, and test your water. Find a professional near you. Hayward offers environmentally responsible, cutting-edge pool and spa equipment for residential and commercial, in-ground and above-ground pools.Item No. 350886 | Manufacturer SKU: W3H100ID1. $1,299.99. Installation Available! Call 1-800-537-5437 for details! Buy in monthly payments with Affirm on orders over $50. Learn more. Hayward W3H100ID1 H-Series 100,000 BTU, Natural Gas, Above Ground Heater it's a smart choice for any new installation or existing system. More Details.Service LED ON: “HF” Code Reduce the Power cycle the Did the “HF” temperature set “HF” Code heater at the code reappear? point until heater breaker stop firing Problem Does …Hayward H-Series heater for above ground pools and spas combines reliable technology with ease of operation and superior performance. H-Series heaters boast industry-leading hydraulic performance coupled with a 135,000 BTU rating for faster speed-to-heat capability. Their intuitive electronic panel is also quick and easy to operate, so pool ...Hayward electric spa heaters contain all of the sophisticated features and capabilities of heaters twice their size. They fit into compact spaces - even under spa skirts or steps. Like all Hayward heaters, they are easy to install and service. ... C-SPA-XI Pool & Spa Heaters IO Manual (51300010401RevC) (opens in new tab) CSPA Warranty ...1. SOLVED: What is a 1F code on the hayward pool heater - Fixya. 9 aug 2014 · The code you are referring to is actually IF, not 1F. It stands for ignition failure. If the control exceeds the maximum number of ignition ... what is a 1F code on the hayward pool heater What does 1F mean - Hayward Pool & Spa questionI have a Hayward pool heater model H200 that gives me an HS I checked the flow diverter, removed it and put it back in place but it continues to rattle and sha … read moreApr 4, 2020. #7. You can check the ignitor with a meter by measuring the ohms at the 2 leads coming from the ignitor. An older silicon carbide ignitor ( shiny crystalline and fragile ) will normally ohm out at 45-150 ohms. A newer silicon nitride ignitor ( Looks like a smooth dull black matchstick ) will normally ohm out at about 11-17 ohms.5.1 Common Issues With Hayward Pool Heaters And Their Solutions; 5.2 Identifying And Fixing Problems With Hayward Pool Pumps; 5.3 Troubleshooting Hayward Variable Speed Pumps; 6 Frequently Asked Questions. 6.1 How Do I Reset My Hayward Omnilogic? 6.2 Why Does My Omnilogic Keep Losing Connection? 6.3 Why Is My Hayward Heater Not Firing?We have 2 Hayward HP50HA manuals available for free PDF download: Troubleshooting Manual, Installation Instructions Manual Hayward HP50HA Troubleshooting Manual (48 pages) ABGHarMar • 5 yr. ago. Here's a quick test to find out if it's the pressure switch. Take a 3-4" piece of insulated copper wire and expose the ends. Now use the wire to bridge, or"jump" the 2 connections on the actual pressure switch. If the heat pump starts then you know it's just the switch, and that's an easy swap out.POOL AND SPA/HOT TUB HEATERS H150FD, H200FD, H250FD, H300FD, ... gas piping), and conduit within 5 ft. (1.5 m) of inside walls of swimming pool or spa. IMPORTANT -Refer-ence NEC codes for all wiring standards including, but not limited to, grounding, bonding and other general ... 08-355-75 www.hayward-pool.comHayward Inground Pool & Spa Heaters. >. Hayward H150FDN Natural Gas Pool Heater 150K BTU - Low NOx. Larger Photo Email A Friend. Our Price: $2,468.00. Sale Price: $ 2,199.00.Step 3: If yes, disconnect the p4 plug from the connection and take the voltage reading of pins 4 and 6. Here you will also get reading for 110-125 VAC. Step 4: In case you are getting the right voltage in both cases, it's a must say that the fuse is blown and you need to replace it. Otherwise, move forward to check the transformer. Step 5: Remove the plug from the E10 connector of ICB and ...Propane heaters can make cold winter nights a lot more bearable. Here's a list of some of the best indoor and outdoor propane heaters to keep you warm this winter season. If you bu...Hayward H150FDN Pdf User Manuals. View online or download Hayward H150FDN Owner's Manual, Troubleshooting Manual ... Swimming Pool Heater | Size: 6.96 MB Table of Contents. ... Diagnostic Codes and Part Numbers. 19. Troubleshooting Guide. 20. Heater Not Powering up. 21. Open FC1&/FC2 Fuse. 27.How to replace the keypad on a Hayward HD400 gas pool heaterHayward Heater IF Code. Hello, I would appreciate any guidance that anyone may have to share. We are attempting to start up our Hayward heater for the season, but getting an IF code. Power is on, gas is on, pool water is flowing. I can hear the heater try and run for a few minutes, then a click and a restart.The hs code for hayward pool heaters is the classification number assigned to these products for international trade purposes. Hayward pool heaters fall under hs code 8419. Consequently, this code is used to facilitate smooth customs clearance and to ensure accurate tracking of imports and exports of these products globally. Understanding the ...Inspect Water Flow. Examine water flow through the system. Check for obstructions, clean filters, and ensure proper circulation. Inadequate flow can trigger HS IO Code. Test Sensors. Verify the functionality of temperature sensors. Use a multimeter or consult the manual for testing procedures. Replace sensors if they are faulty.In ground pool/spa gas heaters (44 pages) ... Heater Hayward ED2 Fault Code Thumbnails (18 pages) Heater Hayward C-SPA-XI 5.5 Installation And Operation Manual. Pool and spa/hot tub heaters (24 pages) ... Diagnostic Codes Below is a list of all Diagnostic Codes for the HDF Heater. Troubleshooting Steps for each Code are covered on the following ...Audio turned out weird, so you may have to turn the volume up!How to diagnose and repair your Hayward H Series (H250) Gas pool heater. Audio turned out weird, so you may have to turn the volume up ...How To: Change/Replace Fuel/Air Mixer Remove screws from header cover Step 1 Remove screws from control cover Step 2 Turn power off, remove the 4 screws from the header controls cover and remove the panel. Remove fuel/air mixer Step 3 Lift the cabinet top slightly, then remove the 4 screws from. Hayward HDF400 | Universal HC Series Heater ...HEATER-UNIVERSAL 400 LP LONX ASME. SKU: H400FDPASME. Add to Compare. 7 Items. Discover Hayward's commercial heaters for efficient and reliable heating solutions. Perfect for commercial applications. Explore now!View and Download Hayward H-Series installation, operation & service procedures online. pool and spa/hot tube heaters. H-Series swimming pool heater pdf manual download. Also for: H-series millivolt, H150, H200, H250, H300, H350, H400.The Hayward Universal H-Series Natural Gas Heater is the "universal" energy efficient remedy for any new or existing in-ground pool or spa. An industry-leading hydraulic design reduces circulation pump run time to provide energy savings of up to 18 percent when compared to less efficient options. The energy efficiency of this natural gas heater ...Product Code: UHXNEGVT13008. Qty: Description Warranty ... Hayward H200FDP W3H200FDP Propane Pool Heater 200K Low NOx Heater Hayward H250FDN W3H250FDN Natural Gas Pool Heater 250K Heater Sale Price: $439.00 . Sale Price: $219.00 . Sale Price: $2,899.00 . Sale Price: $3,179.00 .Product description: IDXL2DB1930 display board replacement for hayward IDXL2DB1930 heater display board h-series heater. Replacement content: This IDXL2DB1930 Display Board replacement for hayward h400fdn hd150fdn display board, and another H-Series low nox induced draft heater.Some heaters need no AC power connection and power themselves through the pilot flame generating voltage on a thermocouple. You need a minimum of 600-650mv for the heater to operate normally. Pilot valve takes 100mV, main valve takes 400-450mv. Then you need to have a reading of about 100mv left over with the heater running to keep it running.Turn the thermostat all the way up on the heat pump. These units are not compatible with 3 wire remotes. For 2 wire air switch installations remove the jumper between terminals 1 & 2 and replace it with the 2 wires from your switch. Set the thermostat on the heat pump to the desired temp. Wiring Diagram HPABG / HP380.GAS HEATERS: Universal H-series ASME Heater: 3 Years: CHLORINE GENERATOR & UVO3 SYSTEM, Our network of certified personnel can help you bu, Note: You can also read how to fix Hayward pool heater H5 code. 1. Faulty Wiring Con, Jul 27, 2022 · We bought a new Hayward above ground poo, Re: H400 natural gas heater that was throwing the IF code I just e, I have a 3 year old Hayward Pool Heater in our home fo, View online or download Hayward H250FDP Owner's Man, Jun 1, 2019. #1. Hey guys I saw this thread: Hayward , If you are a pool owner or planning to install a pool, on, The screen on my heat pump doesn't turn on even though it is p, Lock the mixer in place by turning it 90° counter-clockwise. Connect , When it comes to enjoying your pool year-round, a properly sized , Heater Not Powering Up (cont.) Test transformer inp, Double Feature - Hungry? Hayward pool heater with ignition failure alo, Fits hayward universal h-series low nox pool heater mo, The top of the heater must be at least 5 feet below, Diagnosis of common problems on a Hayward pool heater, There is no difference between IF and 1F codes on the Ha.