The Honeywell 315917 replacement diaphragm is a critical field-service component engineered for high-performance maintenance of pneumatic globe valve systems

which is critical for sensitive burner controls

Using it with other refrigerants will result in improper metering and potential compressor damage

Quiet Operation: Balanced 1100 RPM rotation reduces vibration and audible noise during heating cycles

Designed for durability and reliable overpressure protection

Honeywell 301-EMRP-RFSA Remote Panel R-410A The Honeywell 315917 replacement diaphragmThe Honeywell 301 EMRP RFSA Remote Panel is a high performance gas detection expansion module designed specifically for demanding mechanical and chiller room environments. This unit serves as the direct replacement for the legacy VA301EMRP RFSA 20 and VA301EMRP RFSA models, offering seamless integration with the 301 EM controller via a robust RS 485 Modbus communication protocol. Engineered to help facilities meet ASHRAE 15 and B 52 code compliance,