AO Smith 9004586215 Water Heater Blower Prover Switch KitWater Heater Blower Prover Switch Kit for the AO Smith 9004586215 is a critical replacement part for commercial gas water heaters. This essential kit supports reliable ignition and safe operation on BTH SUF models, helping maintenance teams keep systems running smoothly and efficiently. Designed for AO Smith commercial gas water heaters and specifically the 9004586215 part, this used Water Heater Blower Prover Switch Kit restores key prover switch

This precise blower wheel fits Beckett AFG and NX series systems

Designed for safety and reliability

Designed to handle demanding conditions while providing stable high-voltage output for gas furnace controls

ensuring the fan starts as the temperature climbs and stops when the setpoint drops

Proportional

flame sensing

Convertible between Natural Gas and Liquid Propane (kit not included)

This 2-inch valve delivers reliable shut-off and precise control in residential and light commercial systems

With 3/4 inch female threaded inlet/outlet connections

efficient cooling

The combination of silicon carbide igniter material and proven construction ensures long service life in harsh conditions

(2) SPDT auxiliary switches