Always verify your line voltage before installation to avoid electrical failure

an HVAC transformer with a 40VA rating can safely replace original parts rated at 20VA or 30VA

Common Questions What boiler models are compatible with the Weil McLain 510-312-209

Designed with a durable brass body and 1/2" ODF solder connections

Dual Triac Control: Provides reliable switching for HVAC system components

ASCO JB8214290CSA Valve R-448A Always verify your line voltageThe ASCO JB8214290CSA Valve is a high performance 2 way normally closed solenoid valve specifically engineered for critical fuel gas shutoff applications. Featuring a robust aluminum body and NBR (Buna N) seals, this 2 1 2 inch valve delivers a substantial flow capacity of 104 Cv, supporting systems up to 5,607,800 BTU hr. Designed for low pressure environments ranging from 0 to 5 PSI, it utilizes a unique double disc design with overtravel to provide