Lennox G50UH Series, Unit Information

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SPECIFICATIONS
Gas
Heating
ModelNo. G50UH−24A−045 G50UH−24A−070 G50UH−36A−070 G50UH−48B−070
Heating
Performance
Low NOx Model No. G50UH−24A−045X − − − − G50UH−36A−070X − − − −
Input− Btuh (kW) 44,000 (12.9) 66,000 (19.3) 66,000 (19.3) 66,000 (19.3)
Output− Btuh (kW) 36,000 (10.5) 54,100 (15.8) 54,100 (15.8) 54,000 (15.8)
AFUE 80.0% 80.0% 80.0% 80.0%
California Seasonal Efficiency 74.2% 74.8% 74.8% 72.9%
Highstatic(AGA/CGA)− in.w.g. (Pa) .50 (124) .50 (124) .50 (124) .50 (124)
Flue connection − in. (mm) round 4 (102) 4 (102) 4 (102) 4 (102)
GaspipesizeIPS− in. (mm) 1/2 (12.7) 1/2 (12.7) 1/2 (12.7) 1/2 (12.7)
Temperature rise range − F ( C) 35 − 65 (19 − 36) 40 − 70 (22 − 39) 40 − 70 (22 − 39) 25 − 55 (15 − 33)
Indoor
Blower Wheelnominaldiameter xwidth −in. (mm) 10 x 7 (254 x 178) 10 x 7 (254 x 178) 10 x 8 (254 x 203) 10 x 10 (254 x 254)
Blower
Motoroutput − hp (W) 1/5 (149) 1/5 (149) 1/3 (249) 1/2 (373)
Tons(kW) ofadd-oncooling 2 (7.0) 2 (7.0) 2 − 3 (7.0 − 10.6) 2 − 4 (7.0 − 14.1)
Shippingweight − 1 package 121 lbs. (55 kg) 127 lbs. (58 kg) 132 lbs. (60 kg) 139 lbs. (63 kg)
Matching Coils
Up−flow cased
C33−18A−2F, C33−24A−2F, C33−30A−2F, C33−36A−2F,
C33−38A−2F
C33−24B−2F, C33−30B−2F,
C33−36B−2F, C33−38B−2F,
C33−42B−2F, C33−48B−2F
Horizontal CH33−18A−2F, CH33−24/30A−2F, CH33−36A−2F
CH33−36B−2F,
CH33−42B−2F,
CH33−44/48B−2F
Electricalcharacteristics 120 volts − 60 hertz − 1 phase (less than 12 amps)
OPTIONAL ACCESSORIES - MUST BE ORDERED EXTRA
Air Filter and Rack Kit
Number and size of filters Horizontal (end) 87L95 − (1) 14 x 25 x 1 in. (356 x 635 x 25 mm)
87L96 − (1) 18 x 25 x 1
in.
(457 x 635 x 25 mm)
Side Return Single (44J22) or Ten Pack (66K63) − (1) 16 x 25 x 1 in. (406 x 635 x 25 mm)
EZ Filter
Base Catalog Number − Shipping Weight 73P55 − 6 lbs. (3 kg) 73P56 − 7 lbs. (3 kg)
Base
Dimensions − H x W x D 4 x 14−1/4 x 28−5/8 in. (102 x 362 x 727 mm)
4 x 17−5/8 x 28−5/8 in.
(102 x 448 x 727 mm)
Number and size of filter (field provided) 14 x 25 x 1 in. (356 x 635 x 25 mm)
16 x 25 x 1 in.
(406 x 635 x 25 mm)
Horizontal Support Frame Kit − Ship. Weight − lbs. (kg) 56J18 − 18 (8) 56J18 − 18 (8) 56J18 − 18 (8) 56J18 − 18 (8)
LPG/Propane Kit See High Altitude Table Page 15
Twinning Kit 15L38 15L38 15L38 15L38
Annual Fuel Utilization Efficiency based on DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating for non-weatherized furnaces.
NOTE − Filters and provisions for mounting are not furnished and must be field provided.
The same C33 uncased models match the furnaces shown but require an optional adaptor base or field fabricated transition. See C33 coil bulletin for additional informa-
tion.
Cleanable polyurethane frame type filter.
Canada Only.