Lite On Laars Lite 2 Heaters: 250,000BTU MV Heater "lars light" Questions

pilot lights, but heater does not ignite. Lars LG125n-c (model #) Having problems with heater , pilot stays on but heater will not kick in. Could it be my thermolcouple? Longbow yes it could. what ...

Lars Lite 2 pool heater will not ignite Turn the heater on to POOL and the igniter lights up / glows but the main burners will not ignite. Could this mean the thermocoupler needs replaced? OR?? The ...