While sized at 1/2"

operating at 60 Hz

the B250 is specifically engineered for chilled or hot water and glycol solutions

specifically the AT-11-399 and AT-21-403 series

Common Questions What actuators are compatible with the 013G-8044

Sterling 11J11R06778-002 Pressure Switch Els PW 17895 While sized at 1/2"The Sterling 11J11R06778 002 Pressure Switch is a critical safety and operational component designed for high performance HVAC system pressure monitoring. This OEM replacement part, which is technically identical to model J11R06778 002, ensures that your furnace or air handler operates within precise atmospheric parameters. Built to withstand the rigorous demands of industrial and commercial heating applications, this switch facilitates accurate