The Cleveland Controls AFS-442 is a professional-grade air pressure sensing switch designed for critical monitoring in HVAC and energy management systems

14 orifice ensures precise fuel delivery for liquid propane applications

This programmable thermostat features 7-day

this Baso H43 pilot valve handles both Natural Gas and Liquid Propane (LP) at pressures up to 0

Lochinvar & A.O. Smith 100208242 On/Off Switch 323055-751 The Cleveland Controls AFS-442 isThe Lochinvar & A. O. Smith 100208242 On Off Switch is a critical OEM replacement power switch engineered for high efficiency hydronic and water heating systems. As a veteran grade HVAC control component, this rocker style switch features a clearly defined "I O" symbol for definitive status verification during boiler troubleshooting and routine HVAC maintenance. Designed for 120V circuits, it serves as the primary manual disconnect on the control