Universal Air HV1203C HVAC Heater Control Valve

Heater Valve Vacuum for Rear A/C

The Universal Air HV1203C is an HVAC heater control valve vacuum component for vehicles equipped with rear A/C. It is listed for 1994-1998 Mercury Villager and 1994-1998 Nissan Quest applications, making it a direct-fit search match for rear climate control service on these platforms.

Key Features

• HVAC heater control valve vacuum component
• Brand line: Heater Valve Vacuum
• Fits rear A/C-equipped Mercury Villager and Nissan Quest models
• Direct application coverage for 1994-1998 vehicles
• Part number: HV1203C

Application Details

Universal Air HV1203C is used in the heater control circuit to manage coolant flow through the HVAC system. For 1994-1998 Mercury Villager and 1994-1998 Nissan Quest models with rear A/C, this heater valve vacuum part supports proper temperature control by helping the system route heat as commanded by the climate controls. If you are searching for a 1994-1998 Nissan Quest heater valve vacuum or a Mercury Villager HVAC heater control valve, HV1203C is the listed part number.

What It Helps Address

• Rear A/C temperature that does not respond correctly
• Heat that stays on when the control is set to cooler air
• Inconsistent cabin temperature control
• Vacuum-related heater valve operation issues
• HVAC performance problems on rear climate systems

Installation Notes and Tips

Verify the vehicle is a 1994-1998 Mercury Villager or 1994-1998 Nissan Quest with rear A/C before ordering. Confirm the vacuum routing and valve connection points against the existing HVAC layout, and inspect related hoses and fittings for wear or leaks during replacement. The part number HV1203C should be matched to the vehicle’s rear climate control configuration.

Quality Assurance

Universal Air identifies this component under the Heater Valve Vacuum product line for HVAC temperature control service. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.