As a heavy-duty rectangular thermostat guard

its SPST design and 3

this unit provides a reliable proportional feed action to maintain optimal water levels without the hunting common in electronic setups

Direct Fit: Features standard 1/4 inch barbed ports and spade terminals for rapid field replacement on Bradford White power vent units

Lochinvar & A.O. Smith 100110911 Blower Motor 340155-7024 As a heavy-duty rectangular thermostatThe Lochinvar & A. O. Smith 100110911 Blower Motor is a high performance OEM replacement component designed for commercial water heaters and high efficiency boilers, including Lochinvar Knight and A. O. Smith BTH 400A 500A series units. Operating at 200V with a fixed speed of 6000 RPM, this centrifugal blower motor is engineered to meet precise combustion air requirements and maintain stable manifold pressure. As a critical part of the pre purge and