Simplified Diagnostics: Standardized voltage-to-pressure formulas allow for fast field verification with a standard multimeter

Technicians should verify the motor nameplate

If the measured ohms do not match the standard A99B resistance chart at a known temperature

it is often supplied with a conversion kit or can be used with a standard belly band to fit most 5-5/8" diameter mounting brackets

Precision Logic Control: Optimizes blower delays and fan speeds to maximize heat exchanger efficiency and airflow regulation

Lochinvar & A.O. Smith 100208637 Wire 323613-751 Simplified Diagnostics: Standardized voltage-to-pressure formulasThe Lochinvar & A. O. Smith 100208637 Gas Valve Wiring Harness is a critical OEM replacement component engineered for high efficiency commercial boilers and water heaters. Designed to facilitate precise electrical communication between the integrated control board and the gas valve, this direct spark ignition (DSI) wiring ensures reliable flame signals and valve modulation. Veteran technicians recognize this harness as essential for resolving "Gas