Setra SRPMR25WBA2E Pressure Monitor 318423-701 The Trane CNT2237 Defrost Controller

The Trane CNT2237 Defrost Controller is a high-precision OEM electronic board engineered for demand-based defrost management in specialized Trane heat pump systems

Technicians should verify the specific Raypak 009862F wiring diagram for the host unit

High Pressure Tolerance: Rated for up to 3

000 operational hours and operating within a temperature range of -40°C to +70°C

The manual override lever allows technicians to toggle the load without disrupting the set 24-hour schedule

Setra SRPMR25WBA2E Pressure Monitor 318423-701 The Trane CNT2237 Defrost ControllerThe Setra SRPMR25WBA2E Room Pressure Monitor is a precision engineered solution for critical low differential pressure environments where maintaining strict airflow control is non negotiable. Featuring a 0. 25" WC pressure range and 0. 5% FS accuracy, this unit is designed specifically for hospital isolation rooms, cleanrooms, and laboratories. Unlike flow through designs that risk cross contamination, the SRPM utilizes a dead ended capacitance