Four Seasons 84707 HVAC Heater Control Valve

Four Seasons 84707 Shut-off Valve Overview

The Four Seasons 84707 HVAC heater control valve is a manual shut-off valve built from steel for 3/4 in. hose connections. It is used in heater hose routing to control coolant flow through the heater circuit on select Chevrolet truck applications, including 1967 Chevrolet C10 Suburban and 1967 Chevrolet C20 Suburban.

Four Seasons Shut-off Valve line components are built for HVAC temperature control service, with fitment-focused dimensions that matter when replacing an inline heater valve. If you are searching for a 3/4 inch heater hose shut-off valve for a 1967 Chevrolet K10 Suburban or 1967 Chevrolet K20 Suburban, part number 84707 is the direct application to review.

• Brand: Four Seasons
• Part number: 84707
• HVAC heater control valve / shut-off valve
• Manual operation and manual style
• Steel construction
• 3/4 in. hose inlet and outlet sizing
• Inline heater fittings layout
• Dimensions listed for center width, inlet, outlet, and overall depth reference

Detailed Product Description

The Four Seasons 84707 is a manual HVAC heater control valve designed for inline heater hose service. Its steel body and 3/4 in. opening dimensions make it a practical replacement for heater circuits that require coolant shutoff at the valve rather than at the core. The listed measurements, including 3.000 in. center B width, 2.500 in. center C width, and 2.375 in. center width, provide the dimensional reference needed when matching an existing heater fitting layout.

This part cross-references Gates 25530 for the same application. It is also listed among interchange references for related aftermarket and OE-style replacement numbers, including 84707. For buyers searching by vehicle, this valve is relevant to 1967 Chevrolet C10 Suburban, C20 Suburban, K10 Suburban, and K20 Suburban heater hose service.

What This Valve Helps Address

• Heater coolant flow that needs to be shut off manually
• Replacement of a worn or leaking inline heater control valve
• 3/4 in. hose heater circuit service on classic Chevrolet trucks
• Loss of cabin heat control caused by a faulty valve
• Fitment matching for heater hose routing with inline connections

Installation Notes and Tips

Verify hose inside diameter, valve orientation, and available space before installation. This valve uses 3/4 in. hose connections and an inline layout, so the existing heater hose routing should be checked against the listed inlet, outlet, and overall depth dimensions. Confirm the manual handle position and valve placement before final hose attachment.

For fitment-based searches, this part is listed for 1967 Chevrolet C10 Suburban, 1967 Chevrolet C20 Suburban, 1967 Chevrolet K10 Suburban, and 1967 Chevrolet K20 Suburban. Match the vehicle application and hose size before ordering the Four Seasons 84707.

Quality Assurance

Four Seasons supplies HVAC temperature control components and related heater fittings for automotive service applications. The 84707 shut-off valve is cataloged with detailed dimensional and interchange data to support accurate replacement selection.