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Page 3
SPECIFICATIONS
DV25IN(3,7)3L
DV33IN(3,7)3L
DV35IN(3,7)3L
LP
NAT
LP
NAT
LP
NAT
Input BTU/Hr Maximum
25,000
25,000
33,000
33,000
35,000
35,000
Input BTU/Hr Minimum
17,000
17,000
25,000
23,000
27,000
25,000
KWH (Maximum)
7.3
7.3
9.57
9.57
10.15
10.15
KWH (Minimum)
5
5
7.30
6.67
7.83
7.30
Orifice
#53 (0.0596)
#42 (0.0935)
1.55mm
#36 (0.1065)
1.65mm (0.65)
#35 (.110)
Air Shutter Opening
Full Open
1/8”
Full Open
1/4”
Full Open
1/4”
Gas Inlet Shutoff Valve (pipe)
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
1/2 NPT
NOTE:
Air shutter settings are factory minimum settings. Some venting configurations may require minor air shutter adjustments for
optimum performance.
GAS SUPPLY PRESSURES
GAS TYPE
MAXIMUM
MINIMUM
MANIFOLD
NAT
14
4.5
3.5
LP
14
11
10