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This specific model is designed for single-stage or multi-speed PSC configurations
Designed with a 1/4" FNPT connection
The Lennox 18J74 Pressure Switch is a high-precision low ambient pressure switch engineered to regulate head pressure by cycling the outdoor fan motor during cooling cycles
Internally
By addressing valve stem leakage proactively with genuine Belimo replacement parts
Johnson Controls P352PN-4 Pressure Control 30067439-890 This specific model is designedElectronic Proportional Pressure Control, 240 to 600 Psi Setpoint, 10 to 100 Psi Throttling Range, 24 Vac ( Supplied by Y350R Power Module ), 0 to 10 Vdc and 0 to 20 mA Analog Output, Direct or Reverse Action is Jumper Selectable, LED Indication, Nema 1 P352PN 4 is identical to P352PN 4C
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