Four Seasons HVAC Pressure Switch 35830
Four Seasons HVAC Pressure Switch 35830 - view 2
Four Seasons HVAC Pressure Switch 35830 - view 3
Four Seasons HVAC Pressure Switch 35830
Four Seasons HVAC Pressure Switch 35830 - view 2
Four Seasons HVAC Pressure Switch 35830 - view 3

A/C System Switch for 1995-2001 Mack CH & More - Four Seasons 35830

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$58.99
MPN: 35830
Item Package Quantity: 1
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Four Seasons HVAC Pressure Switch P/N:35830
Four Seasons HVAC Pressure Switch P/N:35830
$58.99

Help shield your truck's air conditioning system from excessive refrigerant pressure with this Four Seasons switch, part number 35830, a system-mounted high cut-out pressure switch designed to interrupt compressor operation when system pressure climbs too high. It fits many vehicles, among them the 1995-2001 Mack CH, 1995-2001 Mack CL and 1995-2001 Mack CS200P Mid-Liner. See the Buyer's Guide tab for the full list and engine details.

Four Seasons engineers and tests its products and draws on more than 50 years of mobile A/C experience. This switch is a direct-fit replacement for the listed applications.

  • High cut-out protection: A system-mounted pressure switch that monitors A/C pressure and cuts out when it rises too high.
  • Corrosion resistance: Zinc coated to resist corrosion.
  • Ready to install: Supplied with the gaskets, O-rings or seals needed to properly replace the product.
  • Easy identification: Color coded, with vehicle-specific applications.

Signs this part may need replacing include an A/C compressor that won't engage or cycles erratically, or air conditioning that blows warm. These symptoms can have other causes, so diagnose the system before replacing the switch. If a failed high cut-out switch is the cause, this unit replaces it. Consult the vehicle service information before installation, because A/C work may require recovering the refrigerant with proper equipment.

Frequently Asked Questions

Will this work as a CH switch replacement on my Mack truck?

Yes. Four Seasons 35830 is listed for the 1995-2001 Mack CH. Check the Buyer's Guide tab to confirm it matches your truck.

Is it also listed as a CL switch replacement?

Yes. It is listed for the 1995-2001 Mack CL and the 1995-2001 Mack CS200P Mid-Liner. The Buyer's Guide tab shows the other Mack models it fits.

What does a high cut-out pressure switch do?

It monitors A/C system pressure and interrupts compressor operation when pressure rises too high. This helps protect system components from excessive pressure.

What comes in the box?

The switch comes with the gaskets, O-rings or seals needed to properly replace it. It is zinc coated to resist corrosion and color coded for easy identification.

What are signs this switch may need replacing?

Possible signs include a compressor that won't engage or cycles erratically, or A/C that blows warm. These can have other causes, so diagnose the system before replacing the switch.

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