4Seasons/Everco Heater Control Valve 74777 - Read 1 Reviews on 4Seasons/Everco #74777

4Seasons/Everco Heater Control Valve

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Part Number: 74777
Alternate Part Number: 74777
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Est. Delivery: Jun 29-30
Price: $ 17.99
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Features & Benefits

Everco by Four Seasons products meet or exceed OE fit, form and function. The quality, durability, and reliability of all products are backed by over 50 years of excellence in mobile air conditioning experience and know how. Fix it once and fix it right with Everco by Four Seasons.

  • Temperature tested to 270 degrees F
  • Pressure tested to ensure leak free design
  • Vacuum controlled
  • Application specific design
Product Details
Part Number: 74777
Weight: 0.35lbs
Housing Material: Plastic
Input Ports: 2
Output Ports: 2
Package Contents: Heater Valve
Valve Operation: Vacuum Operated
Shipping Information: Overnight and Two Day shipping are not available for PO Box, APO/FPO/DPO or US Territory addresses.
This product may be shipped directly by the vendor to any eligible US addresses, excluding APO/FPO/DPO or US Territory addresses.
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    Everco/Heater Control Valve


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    2 reviews

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    This review is hidden because you have chosen to ignore Member 130686392. Show DetailsHide Details

    Right part, dad design/quality, didn't work

    1 of 1 people found this helpful

    So I bought this even though I have not had much luck with these aftermarket heater valves for my 1996 Jeep. I had bought a quality one, but it got broken by my teenager during another repair. Most of the aftermarket ones develop a leak around the metal arm used to control the valve. I figured I only needed it for 9 months or so as the Jeep is not long for this world given the harsh salt environments in NorthEast Ohio. So we installed it and the vacuum works to move it in one direction, although not easily. The metal control arm doesn't have the length of the original replacements and the plastic vacuum actuator arm has difficulty and turning it, but is able to do so one way. However it doesn't turn it the other way. I have to move it manually with my fingers and it snaps closed. The vacuum is good and works. The length of lever portion of the metal arm is to short and the valve can not generate the proper torque necessary to move the valve. Aside from that, the device wasn't switching the necessary volume of hot coolant to the heater core, so my heater was putting out cold air. Lastly, the plastic vacuum actuator arm slides back and forth on the metal arm, which makes the limited chance for control even less likely as the plastic can slip one way to another. I had to order a quality replacement somewhere else. If you get a chance look at the original part that Jeep made for the heater control valve. Mostly if not all metal. Aftermarket manufacturer's need to make parts that at least operate reliably, this isn't even a workable temporary fix. I wasted $18.00 and have to wait for a quality replacement. Overall the replacement is fairly simple to accomplish. Just don't use this particular part.

    Pros: Has all the right connections

    Cons: Poor design, won't open and close due to design flaws

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    This part DOES NOT fit your selected vehicle.
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