A-220-1021-AI High Pressure Switch w/ HNBR O-Ring
A-220-1021-AI High Pressure Switch w/ HNBR O-Ring
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One New Aftermarket Replacement High Pressure Binary Switch with HNBR O-Ring for Semi Truck Auxiliary Power Units (APU)
This aftermarket replacement high pressure binary switch is a key component in the A/C refrigerant circuit of semi truck Auxiliary Power Units (APUs), including RigMaster APU systems. The switch monitors refrigerant pressure and protects the A/C compressor by opening at high pressure and closing at low pressure thresholds. The included HNBR O-ring provides a reliable, oil-resistant seal at the threaded connection point.
Specifications
- Thread: 3/8-24 Male Thread
- Switch Type: Binary (Dual Pressure), Normally Open
- Low Pressure Closes: 28 PSI Rising Pressure
- Low Pressure Opens: 28 PSI Falling Pressure
- High Pressure Opens: 395 PSI Rising Pressure
- High Pressure Closes: 395 PSI Falling Pressure
- Includes: HNBR O-Ring
Compatible Applications
RigMaster: Semi Truck Auxiliary Power Units (APUs) - replaces RigMaster binary switch RP9005
General Application: 3/8-24 male thread binary pressure switch for semi truck and heavy-duty truck A/C and APU refrigerant systems
Replaces Part Number(s):
220-1021, RP9005
New aftermarket replacement part - not remanufactured, not used.
