Lennox 79J07 Pressure Switch Els PW 17895 The Functional Devices RIB TR20VA003

The Functional Devices RIB TR20VA003 is a 24VAC to 24VAC isolation transformer designed for professionals requiring a robust 20VA control transformer for building automation and HVACR systems

a separate 3-1/8 inch gauge boot should be added

single-throw (DPST) or double-pole

The larger dial size provides better visibility and higher resolution for the 0-100 PSI scale

For optimal field service

Lennox 79J07 Pressure Switch Els PW 17895 The Functional Devices RIB TR20VA003Verify high side and low side performance with the Lennox 79J07 Pressure Switch, a critical OEM replacement part designed for precision low ambient control in R22 and modern refrigeration and air conditioning systems. Engineered for heavy duty commercial HVAC maintenance and residential applications, this 79J0701 compatible switch ensures your compressor remains protected during low temperature operations. With a fixed setpoint that opens at 150 PSI