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Ranco C900-62 Dual Pressure Control
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Johnson Controls P170EA-14 Dual Pressure Control
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The Ranco dual pressure controls combine the functions of a single high-pressure limit control and a single low-pressure control in one unit with a single pole, single throw (SPST) switch.
- A high-pressure limit is combined with suction pressure sensing to provide temperature control and/or pump down
- High limit adjustments screw
- Low pressure differential and range adjusting screws
- High impact plastic cover with centre mount screw
- Super Cap capillary protection system
- Color-coded for easy identification of pressure line
- Low pressure scale plate
- High pressure scale plate
- High side capillary flare nut (silver)
- Low side capillary flare nut (brass)
- NEMA 1 enclosure with non-conductive cover
- Universal mounting and compact design
Ranco O12-1549 Dual Pressure Control, 150 - 450 psi, 70 psi Differential, 1/4" SAE Flare Nut, SPST, 120/240 VAC
Ranco O12-4834 Compact Dual Pressure Control, 10 - 100 psig Low, 150 - 450 psig High, SPST
Ranco O12-4833 Dual Pressure Control, 12 - 50 psig Low, 150 - 450 psig High, SPST
Johnson Controls Penn P70LB-1C Dual Pressure Control, 20" Hg - 100 psig Low, 100 - 500 psig High, SPST, 1/4" Flare Nut
Johnson Controls Penn P70MA-1C Dual Pressure Control, 20" Hg - 100 psig Low, 100 - 500 psig High, SPST, 1/4" Flare Nut
Johnson Controls Penn P70LB-6C Dual Pressure Control, 12" Hg - 80 psig Low, 100 - 500 psig High, SPST, 1/4" Flare Nut
Johnson Controls Penn P170LB-1C Dual Pressure Control, 20" Hg - 100 psig Low, 100 - 500 psig High, SPST, 1/4" Male Flare
The P70, P72, and P170 Controls for Dual Pressure Applications are designed primarily for use as combination high and low pressure controls on commercial refrigeration and air conditioning applications. These controls are available in several pressure ranges and are compatible with most common refrigerants. Ammonia compatible models are also available. These controls respond directly to system pressure changes on both high and low sides, and can provide single-device control of the compressor.
Johnson Controls P170MA-1C Dual Pressure Control W/Manual Reset, LS 20-100 psi, HS 100-425 PSI