Johnson Controls T-4752-201 Thermostat Els PW 17895 the MAMAC Systems EP-311-020 Electropneumatic

the MAMAC Systems EP-311-020 Electropneumatic Transducer provides a precise interface between electronic controllers and pneumatic actuators

this 3-way mixing and diverting valve features a forged brass construction and a 4

With its Single-Pole Double-Throw contact configuration

preventing nuisance lockouts and delayed ignition cycles

heat pumps without auxiliary heat

Johnson Controls T-4752-201 Thermostat Els PW 17895 the MAMAC Systems EP-311-020 ElectropneumaticThe Johnson Controls T 4752 201 is a high volume output pneumatic heating cooling thermostat engineered for precise individual space temperature control in commercial HVAC systems. This dual element controller features automatic changeover logic, operating as 15 psig direct acting for cooling and 20 psig reverse acting for heating sequences. Designed for horizontal mounting, the unit utilizes a sensitive bimetal element to produce a proportional