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

63 products
Hayward FDXLIGN1930 | Hayward Ignitor For H-Series FD HeatersFDXLIGN1930
$109.99$116.99
In stock
Hayward IDXL2IGN1930 | Hayward IDL Heater Silicon Nitride IgnitorIDXL2IGN1930
$139.99$159.99
In stock
Hayward IDXIGN1930 | Hayward Ignitor For H-Series HeatersIDXIGN1930
$79.99$89.99
In stock
Hayward IDXLFLS1930 | Hayward Flame Sensor For H-Series HeatersIDXLFLS1930
$79.99$89.99
In stock
Hayward FDXLWPS1930 | Hayward Water Pressure Switch For FD HeatersFDXLWPS1930
$54.99$59.99
In stock
Hayward FDXLWPS1931 | Hayward Water Pressure Switch For FD HeatersFDXLWPS1931
$49.99$59.99
In stock
Hayward HAXPSA1930 | Hayward Pressure Switch For H-Series ED1 and ED2HAXPSA1930
$84.99$99.99
In stock
Hayward IDXAPS1930 | Hayward Air Pressure Switch For H-Series HeatersIDXAPS1930
$79.99$89.99
In stock
Hayward FDXLTER1930 | Hayward Thermistor For H-Series FD HeatersFDXLTER1930
$54.99$69.99
In stock
Hayward IDXLTER1930 | Hayward Thermistor For H-Series HeatersIDXLTER1930
$99.99$108.99
In stock
Hayward FDXLHLI1930 | Hayward High Limit Kit For FD H-Series HeatersFDXLHLI1930
$79.99$99.99
In stock
Hayward FDXLICB1930 | Hayward Integrated Control Board For H-SeriesFDXLICB1930
$419.99$459.99
In stock
Hayward IDXL2ICB1931 | Hayward Integrated Control Board For H-Series HeaterIDXL2ICB1931
$319.99$359.99
In stock
Hayward FDXLBPK1930 | Hayward Bypass Cartridge Kit For FD HeatersFDXLBPK1930
$59.99$69.99
In stock
Jandy R0457502 | Jandy Igniter Kit for JXi HeatersR0457502
$69.99$79.99
In stock
Jandy R0458600 | Jandy Flame Sensor Rod for LXi HeatersR0458600
$64.99$75.99
In stock
Jandy R0457001 | Jandy Pressure Switch For JXI HeatersR0457001
$49.99$59.99
In stock
Jandy Jandy Pressure Switch for JxiQ Heaters | R0013203R0013203
$99.99$116.99
In stock
Jandy R0456900 | Jandy Ignition Control for JXi and LXi HeatersR0456900
$399.99$439.99
In stock
Jandy R0591400 | Jandy Gas Valve For JXI HeatersR0591400
$399.99$499.99
In stock
Jandy R0589701 | Jandy JXi Heater 110 Degree Thermal RegulatorR0589701
$95.99$104.99
In stock

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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.