Trust this 24VDC solenoid part for critical process control where precision and durability are mandatory for system uptime

Simple Maintenance: The plug-in head design allows for quick removal and cleaning without disturbing the field wiring in the B210LP base

It should only be used with a 24-volt transformer and intermittent pilot or standing pilot ignition systems depending on the specific boiler series

Is a neutral wire required for installation

This is a low voltage thermostat rated for 30VAC maximum

McDonnell & Miller 42S-A Controller Refrigerant Trust this 24VDC solenoid partMcDonnell & Miller?42S A Combination Low Water Cut Off and Pump Controller with SPST Snap Action Switches and Quick Hook Up Fittings for Steam Boilers (Part Number 129702) This item is not qualify for free shipping.