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Tamper Proofing: Includes a dedicated lock and key to eliminate "thermostat wars" and protect HVAC system efficiency
The integrated internal relief valve (IRV) provides critical overpressure protection
maintaining the same electrical specifications and footprint
exceeding standard commercial requirements
Lochinvar & A.O. Smith 100145007 Fan Kit 320788-702 Tamper Proofing: Includes a dedicatedThe Lochinvar & A. O. Smith 100145007 Fan Kit is a direct OEM combustion blower assembly designed for high output heating systems. Engineered specifically for Knight XL KBN500 heating boilers and Armor AW500 water heaters, this 115V, 60Hz fan assembly is essential for maintaining the correct fuel to air ratio. When a blower fails or loses RPM, it can lead to poor combustion, frequent ignition failures, and increased wear on the heat exchanger. The
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