Ensures exact manifold pressure for efficient LP gas conversion

it integrates seamlessly with other System 350 modules to build a custom HVAC control system

What is the direction of rotation for the Bard 8105-019

Integrating this genuine York OEM part restores proper communication between the thermostat and the heating elements

Lochinvar & A.O. Smith 100109934 Switch 321894-708 Ensures exact manifold pressure forThe Lochinvar & A. O. Smith 100109934 Switch is a critical safety component engineered for high efficiency condensing boilers and commercial water heaters. Functioning as a blocked outlet switch, this normally closed (NC) pressure sensor is calibrated to 2. 6" WC to monitor exhaust backpressure. If the venting system becomes obstructed by debris, ice, or mechanical failure, the 100109934 triggers an immediate system lockout to prevent the hazardous