Lennox GWB9 User Manual

8
NOTE: For model 90-75 LP units only at altitudes above 5,000 ., install 90-75 High Altitude Orice Kit
#550001810*. For all other altitudes use factory installed orice.
TABlE #2: SERIES 90 PROPANE GAS
SERIES 90-50
Stock Factory Btu Value of LP Gas++
Settings 2300 2350 2400 2450 2500
Altitude in Ft. 0-5,000 5,000-10,000
Normal Input (MBH) 50
– – – – –
Manifold Pressure In W.C. 2.5 3 3 2.5 2.5 2.5
Orice 43331095 43331095
SERIES 90-75*
Stock Factory Btu Value of LP Gas++
Settings 2300 2350 2400 2450 2500
Altitude in Ft. 0-5,000 5,000-10,000
Normal Input (MBH) 75
– – – – –
Manifold Pressure In W.C. 2.5 3.5 3.5 3.5 3 3
Orice 43331093
43331096*
* For model 90-75 LP units only at altitudes above 5,000 ft., install 90-75 High Altitude Orice Kit #550001810. For all other alti-
tudes use factory installed orice.
SERIES 90-100
Stock Factory Btu Value of LP Gas++
Settings 2300 2350 2400 2450 2500
Altitude in Ft. 0-5,000 5,000-10,000
Normal Input (MBH) 100
– – – – –
Manifold Pressure In W.C. 2.5 3 3 3 2.5 2.5
Orice 43331091 43331091
++Contact local gas utility or distributor for Btu value of gas.
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Lennox GWB9 Specifications

General

Brand	Lennox
Model	GWB9
Category	Boiler
Language	English