this replacement insert maintains the flow integrity required for 1/2" NPT gas lines in residential

this assembly is engineered to provide high-durability ignition in demanding residential and commercial applications

you must use the VS series valve body paired with a high-temperature rated actuator

verifying the internal check-valve configuration or using a bi-flow specific model is recommended

How do I calibrate the trip point

Weil McLain 511-330-095 Module Refrigerant this replacement insert maintains theThe Weil McLain 511 330 095 is a 24 volt ignition sensing control module specifically engineered for Series 11 gas fired residential boilers. This OEM replacement part serves as the central logic for spark to pilot ignition sequences, integrating a damper Molex plug in to ensure synchronized operation between the venting system and the gas valve. Designed for drop in compatibility, this electronic ignition control is the direct substitute for service