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UAC Parts Catalog
HEATER CONTROL VALVES Rev. 08-03-07
UAC PART NO. DESCRIPTION

HV 1000
Vacuum Closes (5/8" x 5/8")
AMC: 3222290
CHRYSLER: 4085474
FORD: D7DZ-A, E4FZ-A;
GMC.: 494192, 495613

HV 1001
Vacuum Closes (5/8" x 5/8")
FORD: D6DZ-18495-A
GMC.: 500956

HV 1002
Vacuum Closes (5/8" x 3/4")
with 5/16" NF Thread Sensor Switch
Port (can be used on vehicles with or without screw-in Thermal Sensor)
GMC: 554401 (90-77)

HV 1003
Vacuum Closes (5/8" x 1/2" NPT)
GMC: 3992100

HV 1004
Vacuum Closes (5/8") 4 ports
FORD: ESRY-18495-A
MERKUR (88-85)

HV 1006C
Manual Shut off
(5/8" X 5/8")

HV 1007
Vacuum Closes
(5/8" x 3/4" x 5/16"NF)
GMC: 411823

HV 1008
Vacuum Closes to the By-Pass
("3/4 - "3/4) & ("5/8 x "5/8)

HV 1009
Vacuum Closes (5/8" x 5/8")
GMC: 1630848

HV 1011
Vacuum Closes (5/8" x 5/8")
CHYRSLER: 4339457
FORD: E69Z-18495-B
GMC: 14101538 (91-85)

HV 1012C
Manual Shut off
(3/4" X 3/4")

HV 1014
Vacuum Closes
(3/4" x 3/4", 5/8" x 5/8")
AMC: 8956000414

HV 1015
Cable Operated, Pull to Close
(3/4" x 3/4") Heavy Duty Trucks

HV 1019
Manual Shut Off Valve
5/8" hose to 3/8" Male Pipe thread

HV 1020
Vacuum Closes (3/4" x 3/4" )
AUDI: 431-819-809 (86-78)
FORD: D9FZ-18495-A

HV 1021C
Vacuum Opens
(Normally Closed) 5/8" x 5/8" hose
FORD: E4FZ18495A
YG-264 / YG-256

HV 1022C
Vacuum Closes ("5/8 x "5/8)
(Normally Open)
FORD: D4AZ1849A
GMC: 14032007
MOTORCRAFT: YG 136

HV 1554C
4 Port By Pass Valve
all 5/8" Hose Connections
DODGE / PLYMOUTH: 3848729

HV 1555
4 Port By Pass Valve
all 5/8" Hose
CHRYSLER: 3848114

HV 2000
Water Control Tee 3/4" All
GMC: 1648454
Cadillac (93-88)

HV 2004
Vacuum Open (5/8" x 5/8" x 3/4")
GMC: 14101545 (92-87)

HV 2211C
Cable Operated, Pull to Open
(5/8" x 5/8")
CHRYSLER: 4085564
FORD: C3UZ-18495-A

HV 2503
Cable Operated, Pull to Open
(19mm x 19mm)
AUDI: 811-819-809
VOLKSWAGEN: 171-819-809E

HV 3001C
Vacuum Closes 4 Port by Pass
(3/4" x 3/4" x 5/8" x 5/8")
GMC: 15621507 (91-90)

HV 3002
Vacuum Closes 4 Port By Pass
5/8" Hose
CHRYSLER: 3848136

HV 3015C
Vacuum Closes 4 Port By Pass
5/8" All
CHRYSLER / JEEP: 56002522

HV 3615
Vacuum Closes 3 Port by Pass
5/8" All
CHRYSLER: 3849321

HV 4000
5/8" Hose connections; Red Dot RD-5-8135-OP.The Electronic Control Valve consists of a 4 - port by - pass butterfly water valve powered by an electric actuator. The ECC controls coolant flow with an electrical signal. an integral position feedback potentiometer is included.

The ECC is ideal for use with a space - efficient HVAC system that eliminates the blend air temperature door, and controls the discharge air temperature by modulating coolant flow to the heater core. This allows the heater and evaporator cores to be installed face to face, or use an integral heater / evaporator core, to reduce the space requirements. In some assemblies the required space was reduced by 55%.

HV 4001
Electro Thermal Acutuator has 5/8" or 3/4" ID Hose connections; Takes the place of vaccum systems, reducing wiring/hose and cost while increasing engine efficiency, 12 Volt normally close; power to open spring return.

HV 5392
Vacuum Closes (3/4" x 3/4")
GMC: 25532790 / 15 5392
Universal Air Conditioning // 1441 Heritage Parkway, PO Box 299 // Mansfield, TX 76063
817-740-3900 // fax 817-740-3997