Four Seasons A/C Trinary Switch 20969
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Four Seasons A/C Trinary Switch 20969
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Four Seasons A/C Trinary Switch P/N:20969

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$69.99
WARNING:California Proposition 65▾
MPN: 20969
Item Package Quantity: 1
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Four Seasons A/C Trinary Switch P/N:20969
Four Seasons A/C Trinary Switch P/N:20969
$69.99

Give your A/C system three-stage pressure monitoring with the Four Seasons switch 20969, a system-mounted trinary pressure switch built for vehicle-specific applications. It fits many vehicles, among them the 1990-1997 Toyota Land Cruiser, 2003-2007 Isuzu NPR and 2003-2007 Isuzu NPR-HD, as a direct-fit replacement for the listed applications. See the Buyer's Guide tab for the full list.

A trinary switch reads refrigerant pressure at low, medium and high set points. It combines low- and high-pressure protection with a medium-pressure stage that is commonly used for condenser fan control. If a failed pressure switch is the cause of your A/C trouble, this part replaces it. Four Seasons engineers and tests its products and has more than 50 years of mobile A/C experience.

  • Corrosion protection: made of steel and zinc coated to resist corrosion.
  • Sealing included: contains the gaskets, o-rings or seals needed to properly replace the switch.
  • Easy identification: color coded gray.
  • Electrical: 12-volt, with 4 pin terminals in a male oval Weather Pack connector.

Specifications: 3/8 x 24 fitting thread · low pressure on at 33 psi, off at 29 psi · medium pressure on at 190 psi, off at 150 psi · high pressure on at 300 psi, off at 410 psi. The listed applications use one switch. Country of origin: China.

Interchange: 1551040 · 207786 · 11120969 · 925104 · 19188189 · 1711483 · 8970833440 · 8970935090 · 8972345420 · 8973669640 · 1586 · A07786 · MT0381 · 8864560010 · SW10027 · SW10027C

This part cross-references / interchanges with the following part numbers:

1551040, 207786, 20969, 11120969, 925104, 19188189, 1711483, 8970833440, 8970935090, 8972345420, 8973669640, 1586, A07786, MT0381, 8864560010, SW10027, SW10027C

Frequently Asked Questions

Will this Isuzu NPR switch fit my truck?

It is listed for the 2003-2007 Isuzu NPR and the 2003-2007 Isuzu NPR-HD, with one switch per application. Check the Buyer's Guide tab for your exact vehicle.

Is this the right Toyota Land Cruiser switch?

It is listed as a direct-fit replacement for the 1990-1997 Toyota Land Cruiser. Use the Buyer's Guide tab to match it to your vehicle.

What are the switch's pressure set points?

Low: on at 33 psi, off at 29 psi. Medium: on at 190 psi, off at 150 psi. High: on at 300 psi, off at 410 psi.

What comes in the box?

One trinary pressure switch. Four Seasons notes that it contains the gaskets, o-rings or seals needed to properly replace it, and lists one included item, 24606.

What are signs a trinary switch may need replacing?

Signs can include an A/C compressor that won't engage or cycles erratically, or a condenser fan that doesn't come on where the switch controls it. Other faults can cause these too, so diagnose the system first.

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