Universal Air
Heater Valve Vacuum

Universal Air HV1233C HVAC Heater Control Valve - Front

Brand Universal Air HV1233C
Position Front
Product line Heater Valve Vacuum
Fits Chevrolet and GMC · 20 vehicles

Heater valve vacuum. Controls coolant flow for temperature regulation.

HVAC heater control valve. A direct replacement for the original component.

$19.57Free shipping
In stock · usually ships same day before 1pm CST
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Heater Valve Vacuum for Astro and Safari

Universal Air HV1233C is an HVAC heater control valve for front applications with a four-port hose connection. It is listed for 1996-2005 Chevrolet Astro and 1996-2005 GMC Safari, making it a direct-fit option for common heater control service on these vans.

The Universal Air Heater Valve Vacuum line focuses on vacuum-operated heater valve applications, and HV1233C follows that format for front-mounted HVAC temperature control service. Use this part number when searching for a heater control valve for Chevrolet Astro or GMC Safari models with the specified four-port hose connection.

Key Features

  • HVAC heater control valve for front position applications
  • Four-port hose connection design
  • Fits 1996-2005 Chevrolet Astro, front
  • Fits 1996-2005 GMC Safari, front
  • Part number: HV1233C
  • Brand line: Heater Valve Vacuum

What It Helps Address

  • Inconsistent cabin heat control
  • Heater coolant flow that does not respond correctly to vacuum control
  • Temperature changes that do not match HVAC selector input
  • Leaking or worn heater valve service needs
  • Front HVAC heater circuit repair on Astro and Safari vans

Installation Notes

Verify the vehicle uses a front heater valve with a four-port hose connection before ordering. Match the hose routing and vacuum control layout to the original part, and confirm fitment on the 1996-2005 Chevrolet Astro or 1996-2005 GMC Safari application. HV1233C should be installed in the same position and configuration as the original heater control valve.

Quality Assurance

Universal Air supplies HVAC temperature control components for vehicle-specific service applications. Part number HV1233C is cataloged for the listed Astro and Safari fitments to support accurate replacement selection.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2005ChevroletAstroFrontwith four port hose connection; Heater Valve Vacuum
2005GMCSafariFrontwith four port hose connection; Heater Valve Vacuum
2004ChevroletAstroFrontwith four port hose connection; Heater Valve Vacuum
2004GMCSafariFrontwith four port hose connection; Heater Valve Vacuum
2003ChevroletAstroFrontwith four port hose connection; Heater Valve Vacuum
2003GMCSafariFrontwith four port hose connection; Heater Valve Vacuum
2002ChevroletAstroFrontwith four port hose connection; Heater Valve Vacuum
2002GMCSafariFrontwith four port hose connection; Heater Valve Vacuum
2001ChevroletAstroFrontwith four port hose connection; Heater Valve Vacuum
2001GMCSafariFrontwith four port hose connection; Heater Valve Vacuum
2000ChevroletAstroFrontwith four port hose connection; Heater Valve Vacuum
2000GMCSafariFrontwith four port hose connection; Heater Valve Vacuum
1999ChevroletAstroFrontwith four port hose connection; Heater Valve Vacuum
1999GMCSafariFrontwith four port hose connection; Heater Valve Vacuum
1998ChevroletAstroFrontwith four port hose connection; Heater Valve Vacuum
1998GMCSafariFrontwith four port hose connection; Heater Valve Vacuum
1997ChevroletAstroFrontwith four port hose connection; Heater Valve Vacuum
1997GMCSafariFrontwith four port hose connection; Heater Valve Vacuum
1996ChevroletAstroFrontwith four port hose connection; Heater Valve Vacuum
1996GMCSafariFrontwith four port hose connection; Heater Valve Vacuum