ASCO 8040G21-24V Valve R-410A If the meter shows "OL"

If the meter shows "OL" (Open) or 0 resistance (Short)

Common Questions How do I test if a York 025-41975-480 is functioning

preventing coil burnout

Technicians should replace this gasket every time the blower is detached from the combustion assembly for cleaning or inspection

Enhanced Safety Logic: Seamlessly integrates with the WMO-1 blocked vent switch to detect flue obstructions and prevent unsafe operating conditions

ASCO 8040G21-24V Valve R-410A If the meter shows "OL"The ASCO 8040G21 24V Valve is a high performance 2 way normally closed solenoid valve engineered specifically for fuel gas safety shutoff applications in commercial and industrial combustion systems. Featuring a rugged aluminum body and resilient NBR seals, this direct acting valve provides a tight seal and reliable operation for gas pilot or main control. With a 3 8" NPT connection and a substantial 3. 9 Cv flow capacity, it efficiently manages gas