Specifications

Combination Gas Controls
116 customer.honeywell.com 70-6910
VR8305 Direct Ignition Dual Automatic Valve Combination Gas
Control
Combination gas control for use with hot surface/direct spark
systems in 24 Vac, gas-fired appliances, with capacities from 30 to
415 cfh.
• Controls include manual valve, two automatic operators, and
pressure regulator.
• Use with S89C,E,F and S87 series 5 and later.
• Compact size.
• Provide two automatic valves.
• Solenoid-operated first automatic valve opens on thermostat call for
heat; closes when call for heat ends.
• Diaphragm-operated second automatic valve opens under control of
regulator; closes if gas or power supply is interrupted.
• Meet codes requiring dual safety shut-off.
• All adjustments, wiring connections and pilot outlet are accessible
from top of control.
• Adjustable servo regulator effectively maintains almost constant gas
output pressure under wide fluctuations in gas supply pressure.
• ON-OFF lighting sequence.
• Natural to LP and LP to Natural conversion kits available for
standard and slow opening gas valves.
Dimensions in inches (millimeters) Body Pattern: Straight-through
Capacity @ 1 in. p.d. 240,000 BTU/hr; 30,000 BTU/hr minimum
Anticipator Setting: 0.62 A
Ignition Type: Direct Ignition
Pressure Ratings: 1/2 psi (3.5 kPa)
Pressure Tapping: 1/8 in. NPT with plug
Electrical Ratings: 24 Vac
Ambient Temperature Range: -40 F to +175 F (-40 C to +79 C)
Frequency: 60 Hz
Electrical Connections: 1/4 in. quick-connect male terminals
Mounting: 0 to 90 degrees in any direction from the upright position of
the gas control knob, including vertically.
Approvals:
American Gas Association: AGA Design Certificate: L2025006
Australian Gas Association: Australian Gas Assoc. Design
Certificate: 4214; Approved for Delta C Applications
Canadian Gas Association: CGA Design Certificate: L2025006
Underwriters Laboratories, Inc. UL Component Recognized: MH8191
M7496A
1
(25)
(13)
4 in. (102)
SWING
RADIUS
(FOR FLANGE
MOUNTING)
8-32 TAPPED (4)
1/4 in. QUICK-
CONNECT
TERMINALS
1 (25)
(13)
MV
MV
4-1/16 (104)
1/2
3-15/16
(99)
1-7/16
(36)
1/2
2-11/16 (69)
Product Number
Type of
Gas
Opening
Characteris-
tics
(standard,
step)
Inlet/
Outlet
Size
(in.)
Pressure Regulator Setting
Type Includes(psi) (kPa)
VR8305M2102 Natural Standard 1/2 in. x
1/2 in.
3.5 in. wc 0.87 kPa Single
Stage
—
* VR8305M3506 Natural Standard 1/2 in. x
3/4 in.
3.5 in. wc 0.87 kPa Single
Stage
One 3/4 in. straight flange
One 3/4 in. x 1/2 in. reducer bushing
Natural to LP Conversion Kit
VR8305P2224 LP Step Opening 1/2 in. x
1/2 in.
Full Rate: 10.0 in. wc;
Step Setting: 4.0 in. wc
Full Rate: 2.49 kPa;
Step Setting: 1.0 kPa
Single
Stage
—
VR8305P4279 Natural Step Opening 3/4 in. x
3/4 in.
Full Rate: 3.5 in. wc;
Step Setting: 0.9 in. wc
Full Rate: 0.87 kPa;
Step Setting: 0.22 kPa
Single
Stage
—
VR8305Q4500 Natural Standard 3/4 in. x
3/4 in.
1.7 in. wc low;
3.5 in. wc high
0.48 kPa low;
0.87 kPa high
Two
Stage
Natural to LP Conversion Kit
Two 3/4 x 1/2 in. reducer bushings
* TRADELINE models • SUPER TRADELINE models