VR8305
SPECIFICATIONS • INSTALLATION
3 68-0109—3
CAPACITY:
Capacity at Minimum Maximum
Size 1 inch wc Regulated Regulated
(Inlet x Outlet) Pressure Drop
a
Capacity Capacity
1/2 X 1/2 240 feet
3
/hour 30 feet
3
/hour 340 feet
3
/hour
[6.8 meter
3
/hour] [0.8 meter
3
/hour] [9.6 meter
3
/hour]
1/2 X 3/4 270 feet
3
/hour 30 feet
3
/hour 370 feet
3
/hour
[7.6 meter
3
/hour] [0.8 meter
3
/hour] [10.5 meter
3
/hour]
3/4 X 3/4 300 feet
3
/hour 30 feet
3
/hour 415 feet
3
/hour
[8.5 meter
3
/hour] [0.8 meter
3
/hour] [11.8 meter
3
/hour]
a
Capacity based on 1000 btu/feet
3
, 0.64 specific gravity natural gas at 1 inch wc pressure drop [37.3 MJ/meter
3
, 0.64
specific gravity natural gas at 0.25 kPa pressure drop].
Use conversion factors in Table 2 to convert capacities for
other gasses.
TABLE 2—GAS CAPACITY CONVERSION
FACTORS.
Multiply
Specific Listed
Gas Gravity Capacity by
Manufactured 0.60 0.516
Mixed 0.70 0.765
Propane 1.53 1.62
BODY PATTERN: Straight-through body pattern.
INLET X OUTLET SIZES AVAILABLE: 1/2 x 1/2 inch,
1/2 x 3/4 inch, and 3/4 x 3/4 inch.
ADAPTERS: Adapters available for 1/2 and 3/4 inch
straight and angle connections. Refer to Table 3.
TABLE 3—ADAPTER (FLANGE) PART NUMBERS.
Part Number
Inlet/ Without With
Outlet Flange Hex Hex
Pipe Size Type Wrench Wrench
1/2 inch NPT Straight 393690-6 393690-16
Elbow 393690-3 393690-13
3/4 inch NPT Straight 393690-4 393690-14
Elbow 393690-5 393690-15
NOTE: Flange Kits include one flange with attached O-ring
and four mounting screws.
PRESSURE TAPPING: Inlet and outlet taps standard. Taps
accessible from top of gas control. Tap is 1/8 inch NPT
with plug containing recess for 3/16 inch Allen wrench.
PRESSURE RATING: A.G.A. rating 1/2 psi [3.5 kPa]
inlet pressure.
PRESSURE REGULATION: See Table 1. Regulator adjust-
ment accessible from top of gas control.
MOUNTING: Can be mounted 0 to 90 degrees in any
direction, including vertically, from the upright position of
the gas control knob.
Fig. 1—VR8305 installation dimensions in
inches and [millimeters].
M16277
4 in. (102)
SWING
RADIUS
1/4 in. QUICK-
CONNECT
TERMINALS
MV
MV
3-15/16
(99)
1-7/16
(36)
2-3/16
(56)
2-11/16 (69)
4-1/16 (104)
1/2
(13)
1/2
(13)
1 (25)
1
(25)
1
(25)
(FOR FLANGE
MOUNTING)
8-32 TAPPED (4)
FLANGE FACTORY MOUNTED
ON 3/4 X 3/4 INCH MODELS ONLY.
STEP-OPENING MODELS ONLY.
1
1
2
2
TEMPERATURE RATING:
VR8305M,P:-40° F to +175° F [-40° C to +79° C].
VR8305H: 0° F to 175° F [-18° C to +79° C].
DIMENSIONS: See Fig. 1.
APPROVALS:
American Gas Association design certificate:
UP-70-69A.
Canadian Gas Association design certificate:
UP-70-69A.
Australian Gas Association certified:
4717.
DELTA C: UP-70-69A.
ACCESSORIES:
• Flanges, see Table 3.
• 394349 9/64 inch hex tool for flange assembly screws.
• 393691 Natural to LP Gas Conversion Kit.
• 394588 LP to Natural Gas Conversion Kit.
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