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

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63 products
Raypak Raypak High Limit 140F Auto Reset For Low Nox Heaters | 600893B600893B
$34.99$39.99
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Raypak Raypak High Limit Auto Reset Thermostat for Avia Heaters | 140 Degree | 019045F019045F
$19.99$24.99
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Raypak Raypak High Limit Auto Reset Thermostat for Avia Heaters | 125 Degree | 019044F019044F
$18.99$26.99
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Raypak Raypak PC Control Board Kit For 206A-408A Heaters | 3 Wire | 100-10000345100-10000345
$279.99$319.99
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Raypak Raypak Ignition Control Board For IID Heaters | 007156F007156F
$339.99$379.99
Only 2 left
Raypak Raypak Natural Gas On/Off Gas Valve For Low Nox Heaters | 010329F010329F
$229.99$269.99
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Raypak Raypak Gas Valve With Gas Line Half For AVIA Heaters | 018870F018870F
$229.99$259.99
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Raypak Raypak Bypass Kit For Heaters | 006715F006715F
$51.80$59.99
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Swimables Swimables Igniter With Gasket Kit For Pentair MasterTemp and Max-E-Therm Heaters | 77707-0054 | SW-41-054SW-41-054
$54.99$69.99
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Swimables Swimables Thermistor for Pentair MasterTemp And Max-E-Therm Heaters | 42001-0053S | SW-41-053SW-41-053
$29.99$39.99
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Swimables Swimables High Limit Switch for Pentair MasterTemp And Max-E-Therm Heaters | 42001-0063S | SW-41-063SW-41-063
$33.99$44.99
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Swimables Swimables Water Pressure Switch For Pentair MasterTemp and Max-E-Therm Heaters | 42001-0060S | SW-41-060SW-41-060
$49.99$52.99
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Swimables Swimables Ignitor For Hayward H-Series Above Ground Heaters | IDXIGN1930 | SW-42-020SW-42-020
$56.00$59.99
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Swimables Swimables Thermistor For Hayward FD Heaters | FDXLTER1930 | SW-42-931SW-42-931
$28.99$34.99
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Swimables Swimables Thermistor For Hayward H-Series Heaters | IDXLTER1930 | SW-42-930SW-42-930
$28.70$39.99
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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.