System Safety: Prevents furnace operation in the event of a blocked vent

which requires specialized diagnostic tools and training

maintaining the original engineering specifications of the appliance without requiring complex modifications to the gas train or wiring harness

preventing premature mechanical fatigue and ensuring system reliability

a trip is triggered by high discharge pressures

ASCO HV220649-1-CSA Valve 320734-701 System Safety: Prevents furnace operationThe ASCO HV220649 1 CSA Valve is a high performance solenoid drain valve designed for demanding commercial and industrial HVACR applications. Operating on 120v AC power, this 2 way normally open valve provides reliable fluid control with a 1 2 inch NPT pipe size. Engineered for precision, it features a rugged brass body and a 1 4 inch orifice, ensuring an efficient high flow capacity of 0. 73 Cv. This specific model is CSA certified for safety and