McDonnell & Miller 750B-C-4 Control Refrigerant this DPST N/O relay is

this DPST N/O relay is typically utilized to stage up to two heating elements or a combination of an element and a fan motor

For the large 5/16" contact terminals

The Trane VAL7360 is a precision-engineered thermostatic expansion valve (TXV) engineered specifically for 2-ton high-efficiency HVAC systems

How do I know if this back plate needs replacement

while the NEMA 4X enclosure provides superior protection against corrosion and moisture in washdown or outdoor installations

McDonnell & Miller 750B-C-4 Control Refrigerant this DPST N/O relay isThe McDonnell & Miller 750B C 4 (Part Number 176317) is a rugged, cast iron body remote sensor chamber engineered for high demand liquid level control in commercial and industrial boiler systems. Designed for seamless integration with Series 750B remote mount control modules, it features sight glass tappings and gage cock tappings to simplify visual monitoring and maintenance in the field. This model is equipped with a NEMA 4X enclosure, providing