This Parker 20F24C2172AAFR Repair Kit is a comprehensive major rebuild solution designed for high-flow 2-way internal pilot-operated normally closed brass valves

Many modern Lennox boards require matching the size code to your specific furnace BTU and blower capacity

Built with a durable internal diaphragm

the furnace will trigger a 2-flash or 3-flash error code on the control board

This 240V component features a standard mounting bracket for a secure

White-Rodgers 11D18-1 Control Els PW 17895 This Parker 20F24C2172AAFR Repair KitThe White Rodgers 11D18 1 Control is a rugged, well immersion hydronic control designed for precise temperature regulation in hot water heating systems. Engineered for high reliability performance, this immersion hot water control functions as a high limit, reverse action, or SPDT switching unit. It features a broad operating temperature range of 100F to 240F (Open High) and an adjustable differential of 5F to 45F, allowing technicians to fine tune