The Line to M1 circuit is the auxiliary circuit that closes on pressure rise

Is the McQuay 049751001 board compatible with older Singer or AAF units

it is essential to verified the part number against your specific unit's wiring diagram or parts list

Use a multimeter to verify 24VAC across the coil terminals

Built with a rugged iron body

ASCO 8210G35-240V Solenoid Valve Els PW 29614 The Line to M1 circuitThe ASCO 8210G35 240V Solenoid Valve is a high performance 2 way normally open valve designed for demanding industrial and HVACR applications. Engineered with a durable brass body and NBR seals, this pilot operated valve ensures reliable flow control for air, water, and light oil. Operating at 240Vac, it features a 3 4" NPT connection and a substantial 5. 5 Cv flow coefficient, making it one of the most efficient solutions for high flow systems. The