Brochure

32-1/8”
(816mm)
4-7/32”
(107mm)
29-1/16”
(738mm)
17”
(432mm)
2-9/16”
(65mm)
14-7/16”
(367mm)
7-9/32”
(185mm)
A
B
C
7”
(178mm)
ELECTRICAL
CONNECTION
FLUE CONNECTION
BENEATH SERVICE TRAY
Diameter D
CLEARANCES FROM COMBUSTIBLES
Draft Regulator Requirement - ALL Model OH installations require a draft
regulator (barometric draft control device) in the vent.
● Model OH with a CSA Label - A draft regulator is factory-supplied and
must be installed.
● Model OH with a UL Label - a Factory-supplied draft regulator is available
as an option (Option BV2 or DB1). Either the optional draft regulator or a
eld supplied, UL-approved draft regulator must be installed.
CLEARANCE: An 18" clearance is required from the top of the draft control
to a combustible ceiling.
TECHNICAL DATA
Model OH
Size OH95 OH140 OH190
ThermalInput-BTUH(kW) 118,000 (34.6) 173,000 (50.7) 229,000 (67.1)
ThermalOutput-BTUH(kW) 97,000 (28.4) 142,000 (41.6) 188,000 (55.1)
NozzleInput-GPH(l/hr) 0.85 (3.22) 1.25 (4.73) 1.65 (6.25)
Full-LoadAmps(115volt) 6 7 7
Fan Motor RPM 1,050 850 850
Blower Motor RPM -- -- --
Motor HP 1/8 1/4 1/4
AirVolume(FreeAir)-CFM(M
3
/hr) 2,000 (3,398) 3,200 (5,437) 3,200 (5,437)
Air Volume @ .25” ESP - CFM (M
3
/hr) -- -- --
Throwat9’(3M)MntgHt-ft(M) 50 (15) 65 (20) 65 (20)
FlueDiameter-inches 7 8 8
BlowerSize-inches -- -- --
FanDiameter(inches)andPitch(°) 18 - 33 22 - 36 22 - 36
ApproximateNetWt(lbs) 290 (132) 345 (156) 345 (156)
ApproximateShippingWt 340 (154) 405 (184) 405 (184)
Size A B C D
OH 95
in 8 27 3/8 33 7
(mm) (203) (695) (838) (178)
OH140/190
in 9 1/2 37 3/8 43 8
(mm) (241) (949) (1,092) (203)
DIMENSIONS
±1/16" (2mm)
Top 2”
Front 48”
Burner Side (for service) 18”
Side Opposite Burner (for service) 18”
Rear (for airflow)
A
24”
Bottom 6”
Flue pipe - units with UL Label 18”
Flue pipe - units with CS Label 9”
A
Rear service clearance should be measured from the fan motor.
Form RZ-C-UH (Version H) Page 24
Page Number _______ of ______