Johnson Controls T-4756-202 Thermostat Els PW 17895 0 µA or higher for

0 µA or higher for stable operation

The valve features a 1/4" barb connection at both the common and normally closed ports

While it is primarily used as a fan cycling pressure switch

Will this board work with non-communicating systems

Field technicians often utilize this compressor start relay to resolve hard-start issues in systems experiencing high head pressures or erratic voltage

Johnson Controls T-4756-202 Thermostat Els PW 17895 0 µA or higher forThe Johnson Controls T 4756 202 is a high performance pneumatic heating cooling thermostat designed for precision control in commercial HVAC systems. This dual temperature pneumatic thermostat features high volume output capability, ensuring responsive actuation of terminal devices like valves and dampers. Operating with a 15 psig direct acting heating signal and 20 psig reverse acting cooling signal, the T 4756 202 is engineered for vertical mounting