while this is a factory-spec part

Calibration should not be adjusted in the field

this 0-5 PSI gas valve is engineered for precision venting in safety-critical systems

using genuine Trane HVAC parts ensures that the system maintains its original engineering specifications and operational efficiency

This is the official direct cross version of the B4310407

Dwyer Instruments TS2-010 Temperature Switch 328140-751 while this is a factory-specThe Dwyer Instruments TS2 010 is a versatile digital temperature switch designed for precision thermal management in HVACR and industrial process control. Operating on a 110 Vac power supply, this compact DIN rail mount controller accepts PTC thermistor inputs to provide reliable switching across a wide temperature range. The unit features a robust 16A SPDT relay output, making it suitable for direct control of compressors, fans, or heaters without