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Common Questions: When should I replace the Carrier KH71KK120
Installation is straightforward for any veteran tech because the Williams 6913 maintains the exact manifold alignment and mounting footprints of the factory-installed unit
A steady red light typically signals internal control board failure
which prevents compressor flooding and extends the operational lifespan of your equipment
This part is functionally identical to the 14004878-910/U
Lochinvar & A.O. Smith 100073343 Flame Sensor 320788-704 Common Questions: When should IThe Lochinvar and A. O. Smith 100073343 flame sensor is a critical safety component designed for precise flame rectification in high efficiency water heaters and boilers. Engineered to withstand high ambient combustion chamber temperatures, this direct spark ignition flame probe ensures the integrated control board receives a consistent microamp signal, preventing nuisance soft lockouts or ignition failures. This genuine OEM replacement part (formerly