Technicians should inspect the sleeve whenever the pressure differential exceeds 10 PSI or during annual system service to ensure compressed air quality remains within specification
if signal is present but the load side of the relay is open
The valve features a single 1/8 inch NPT side tap ideally positioned for a pilot light connection or pressure gauge integration
Common Technician Questions: Is the 58C97 cross-compatible with other Lennox part numbers
this OEM component ensures seamless compatibility with FVIR (Flammable Vapor Ignition Resistant) systems and high-efficiency gas control valves
Maxitrol TS121 Sensor Els PW 17895 Technicians should inspect the sleeveFor veteran technicians servicing indirect fired make up air units, the Maxitrol TS121 discharge air temperature sensor is the critical component for maintaining a stable 55 90F terminal temperature range. Specifically engineered for integration with Selectra Series 20, 21, 30, and 31 modulation systems, this thermistor based sensor delivers a resistance of 4,500 ohms at 77F, providing the Maxitrol amplifier with the sub second response times required
