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

63 products
Jandy Jandy R0457500 Hot Surface Ignitor | LXi HeatersR0457500
$128.99$129.99
Only 3 left
Jandy Jandy R0457000 Pressure Switch | Water | LXi HeatersR0457000
$96.99$109.99
Only 1 left
Jandy Jandy R0719402 Flue Sensor Kit Thermistor | JXiQ HeaterR0719402
$129.99$149.99
Only 2 left
Jandy R0988700 | Jandy Ignition Control For JXIQ HeatersR0988700
$499.99$549.99
Only 1 left
Jandy Jandy R0614500 Capacitor Blower | JXI HeatersR0614500
$19.99$29.99
Only 1 left
Pentair Pentair Ignition Control Module For ETi 400 Heater | 475976475976
$189.99$219.99
Only 2 left
Pentair Pentair Control Board ETI 400 Gas Pool Heater | 475975475975
$129.99$179.99
Only 2 left
Raypak Raypak 014124F Direct Spark Ignitor DSI | 259A & 409A014124F
$59.99$74.99
Only 3 left
Raypak Raypak Igniter Wire For Avia 264A and 404A | 018875F018875F
$36.99$45.99
Only 1 left
Raypak Raypak Pressure Switch For Low Nox Heaters | 006737F006737F
$49.99$59.99
Only 1 left
Raypak Raypak 009133F Pressure Switch | 11 PSI Heaters009133F
$37.99$54.99
Only 2 left
Raypak Raypak 062237B Pressure Switch | 185A-405A Heaters062237B
$54.99$64.99
Only 1 left
Raypak Raypak 010355F Blower Pressure Switch | 407A Heaters010355F
$51.99$61.99
Only 1 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.