Johnson Controls P170MA-18 Pressure Control 30067439-890 While the S1-025-29041-005 may be

While the S1-025-29041-005 may be faulty

Always verify the L275F temperature rating and manual reset requirement against your specific unit's wiring diagram

this part serves as a robust high limit safety solution for board-level configurations where precise calibration and a 40-degree differential are required for equipment protection

Whether you are performing a 3-ton TXV replacement or retrofitting a Nordyne 3-ton R-22 air handler coil

Johnson Controls P170MA-18 Pressure Control 30067439-890 While the S1-025-29041-005 may beThe Johnson Controls P170MA 18 Pressure Control is a heavy duty dual pressure regulator engineered for high pressure refrigerants like R 410A. This dual pressure control utilizes a SPST switch action to provide comprehensive system protection by managing both suction and discharge pressures. The low pressure side operates within a range of 12" Hg to 80 psi with a 5 to 35 psi adjustable differential, while the high pressure side monitors from 100 to