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Four Seasons 84789 HVAC Heater Control Valve
| Brand | Four Seasons 84789 |
|---|---|
| Material | Steel |
| Type | Shut-off valve |
| Center B Width IN | 2.500 |
| Center B Width MM | 63.500 |
| Center Width IN | 2.250 |
| Center Width MM | 57.150 |
| Description | Heater fittings |
| Fitting Size End 1 | 0.75 |
| Fitting Size End 2 | .5 |
| Inlet B Length IN | 0.500 |
| Inlet B Length MM | 12.700 |
| Inlet Dia. Fraction | 13/16 |
| Inlet Dia. IN | 0.8125 |
| Inlet Dia. MM | 20.638 |
| Inlet Length IN | 0.625 |
| Inlet Length MM | 15.875 |
| Outlet C Length IN | 0.875 |
| Outlet C Length MM | 22.225 |
| Outlet D Length IN | 0.750 |
| Outlet D Length MM | 19.050 |
| Outlet Length IN | 0.750 |
| Outlet Length MM | 19.050 |
| Overall B Length IN | 3.500 |
| Overall B Length MM | 88.900 |
| Overall Depth IN | 3.000 |
| Overall Depth MM | 76.200 |
| Printed Foot Note | 3/4 in. hose to 1/2 in. male pipe thread - heavy duty, manual shu |
| Style | Manual |
| Thread Size | 1/2 |
| Fits | — |
Manual shut-off valve. Gives you direct control over heater flow.
Steel construction. Built for durable, dependable service.
Heater fittings. Made for secure hose-to-pipe connections.
Cross-references Anchor 2428, ATP 103075 and Focus Auto Parts 84789 for the same application. See all 27.
Four Seasons 84789 Shut-Off Valve
Four Seasons 84789 is a manual HVAC heater control valve built for heater hose shut-off applications. This steel valve uses a 3/4 in. hose connection to a 1/2 in. male pipe thread, making it a practical replacement for heating system service on vehicles such as Ford F-150 and Chevrolet Silverado applications that use this connection style.
Key Features
- Brand: Four Seasons Shut-off Valve line
- Part number: 84789
- HVAC heater control valve for heater fittings
- Manual shut-off valve style
- Steel construction
- 3/4 in. hose to 1/2 in. male pipe thread
- Thread size: 1/2
- Heavy-duty design for heater hose routing
Product Details
The Four Seasons Shut-off Valve line focuses on HVAC temperature control components and related heater system hardware. Part number 84789 is a manual heater control valve used to regulate coolant flow through the heater circuit. Its steel body and hose-to-thread configuration support direct replacement in systems that require a 3/4 in. hose connection and 1/2 in. male pipe thread outlet. Cross-reference part numbers include Remy 11080 and Anchor 2428 for the same application.
For buyers searching for a manual heater control valve, HVAC heater shut-off valve, or 3/4 inch hose to 1/2 inch MPT heater fitting, this part number 84789 matches common service terminology used in automotive heating repairs. It is also a relevant search term for Ford F-150 and Chevrolet Silverado heater valve replacement needs where this connection style is specified.
Common Problems This Part Addresses
- Heater core flow that needs to be manually shut off
- Leaking or corroded heater control valve housing
- Damaged heater hose connection at the valve
- Loss of cabin heat control caused by a faulty valve
- Service replacement for worn HVAC heater fittings
Installation Notes and Tips
Verify hose size, thread size, and valve orientation before installation. Confirm the system uses a 3/4 in. hose connection and 1/2 in. male pipe thread, and compare the original valve dimensions to the listed center widths, overall length, and depth for proper routing. Drain coolant as needed before removing the old valve, and inspect adjacent heater hoses and fittings for wear or scale before reassembly.
Quality Assurance
Four Seasons is a recognized name in HVAC temperature control and related components, and this valve is built as a steel manual shut-off replacement for heater system service. Part number 84789 is specified for heater fittings applications and is supported by multiple interchange references, including Remy 11080 and Anchor 2428.
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|---|---|---|---|---|
| No rows match your filter. | ||||