Pool Heater Not Working: Igniters, Sensors, Switches & Control Boards

63 products
Hayward Hayward FDXLIGN1930 Ignitor | For H-Series FD HeatersFDXLIGN1930
$106.99$133.99
Only 3 left
Hayward Hayward IDXL2IGN1930 Silicon Nitride Ignitor | IDL HeaterIDXL2IGN1930
$119.99$129.99
Only 3 left
Hayward Hayward IDXIGN1930 Ignitor | For H-Series HeatersIDXIGN1930
$64.99$75.99
Only 2 left
Hayward Hayward IDXLFLS1930 Flame Sensor | For H-Series HeatersIDXLFLS1930
$76.99$79.99
Only 3 left
Hayward Hayward FDXLWPS1930 Water Pressure Switch | For FD HeatersFDXLWPS1930
$42.99$49.99
Only 1 left
Hayward Hayward FDXLWPS1931 Water Pressure Switch | FD HeatersFDXLWPS1931
$45.99$49.99
Only 2 left
Hayward Hayward HAXPSA1930 Pressure Switch | H-Series ED1 and ED2HAXPSA1930
$76.99$89.99
Only 1 left
Hayward Hayward IDXAPS1930 Air Pressure Switch | H-Series HeatersIDXAPS1930
$75.99$76.99
Only 1 left
Hayward Hayward IDXLVPS1930 Vent Pressure Switch | H-Series HeatersIDXLVPS1930
$95.99$109.99
Only 1 left
Hayward Hayward FDXLTER1930 Thermistor | For H-Series FD HeatersFDXLTER1930
$44.99$49.99
In stock
Hayward Hayward IDXLTER1930 Thermistor | For H-Series HeatersIDXLTER1930
$72.99$89.99
Only 3 left
Hayward Hayward FDXLHLI1930 High Limit Kit | FD H-Series HeatersFDXLHLI1930
$68.99$85.99
Only 2 left
Hayward Hayward FDXLICB1930 Integrated Control Board | For H-SeriesFDXLICB1930
$379.99$399.99
Only 3 left
Hayward Hayward IDXL2ICB1931 Integrated Control Board | For H-Series HeaterIDXL2ICB1931
$318.99$329.99
Only 2 left
Hayward Hayward FDXLBPK1930 Bypass Cartridge Kit | FD HeatersFDXLBPK1930
$49.99$56.99
Only 1 left
Jandy Jandy R0457502 Igniter Kit | JXi HeatersR0457502
$43.99$69.99
Only 1 left
Jandy Jandy R0458600 Flame Sensor Rod | LXi HeatersR0458600
$63.99$69.99
Only 1 left
Jandy Jandy R0457001 Pressure Switch | For JXi HeatersR0457001
$46.99$59.99
Only 1 left
Jandy Jandy Pressure Switch for JxiQ Heaters | R0013203R0013203
$79.99$109.99
Only 1 left
Jandy Jandy R0456400 Air Pressure Switch | For JXi and LXi HeatersR0456400
$129.99$139.99
Only 2 left
Jandy Jandy R0456900 Ignition Control | JXi | LXi HeatersR0456900
$379.99$399.99
Only 3 left
Jandy Jandy R0591400 Gas Valve | For JXi HeatersR0591400
$359.99$399.99
Only 1 left
Jandy Jandy R0589701 110° Thermal Regulator | JXi HeaterR0589701
$87.99$94.99
Only 3 left

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When a gas heater will not fire or shuts down, the usual culprits are the igniter, flame sensor, water or air pressure switch, thermistor, high limit or gas valve. Grouped by brand: Hayward H-Series, Jandy JXi / LXi / JXiQ, Pentair MasterTemp / Max-E-Therm / ETi, and Raypak Digital / Avia / Low NOx, plus Swimables aftermarket equivalents.