Lennox 79J07 Pressure Switch Els PW 17895 Constructed from high-grade materials to

Constructed from high-grade materials to withstand the thermal stresses of the burner box environment

allowing it to interface with a wide range of DDC controllers

The 1F56N-444 is a robust horizontal thermostat replacement for many legacy mercury models

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 Constructed from high-grade materials toVerify 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