Lennox G40 User manual

Brand: Lennox

Model: G40

Category: Water heaters & boilers

Type: User manual

G40

Mid-efficiency gas furnace

Home Comfort Systems

LENNOX’ MERIT

SERIES

G40 Gas Furnace

◆

80% AFUE

Mid-efficiency levels save

you money, compared to

older furnaces

Durable, high-quality design

for long-lasting performance

Merit

Series G40 Gas Furnace

EFFICIENT, CONSISTENT WARMTH—YEAR AFTER YEAR

G40

80% AFUE

Innovation never felt so good.

™

EFFICIENCY RATING

80% AFUE (Annual Fuel

Utilization Efficiency)

WARRANTY*

20-year limited warranty

on the heat exchanger.

5-year limited warranty

on all remaining

covered components.

Visit us at www.lennox.com, or contact us at 1-800-9-LENNOX.

(37M96) G40 2/07

PC48540

Merit

Series G40 Specifications

UH36A-045

G40 UH24A-045 (X) UH24A-070 UH36A-070 UH36B-090 UH36C-110 UH48B-070 UH48B-090 (X)

AFUE 80% 80% 80% 80% 80% 80% 80%

Dimensions HxWxD (in.) 40 x 14-1/2 x 28-1/2 40 x 14-1/2 x 28-1/2 40 x 14-1/2 x 28-1/2 40 x 17-1/2 x 28-1/2 40 x 21 x 28-1/2 40 x 17-1/2 x 28-1/2 40 x 17-1/2 x 28-1/2

HxWxD (mm) 1016 x 368 x 724 1016 x 368 x 724 1016 x 368 x 724 1016 x 446 x 724 1016 x 533 x 724 1016 x 446 x 724 1016 x 446 x 724

G40 UH48C-110 UH60C-110 (X) UH48C-135 UH60D-135 UH60D-155 DF-24A-045 (X) DF-36A-045

AFUE 80% 80% 80% 80% 80% 80% 80%

Dimensions HxWxD (in.) 40 x 21 x 28-1/2 40 x 21 x 28-1/2 40 x 21 x 28-1/2 40 x 24-1/2 x 28-1/2 40 x 24-1/2 x 28-1/2 40 x 14-1/2 x 28-1/2 40 x 14-1/2 x 28-1/2

HxWxD (mm) 1016 x 533 x 724 1016 x 533 x 724 1016 x 533 x 724 1016 x 622 x 724 1016 x 622 x 724 1016 x 368 x 724 1016 x 368 x 724

G40 DF-36A-070 (X) DF-36B-090 DF-48B-070 DF-48C-090 (X) DF-48C-110 (X) DF-60C-110 (X) DF-60D-135

AFUE 80% 80% 80% 80% 80% 80% 80%

Dimensions HxWxD (in.) 40 x 14-1/2 x 28-1/2 40 x 17-1/2 x 28-1/2 40 x 17-1/2 x 28-1/2 40 x 21 x 28-1/2 40 x 21 x 28-1/2 40 x 21 x 28-1/2 40 x 24-1/2 x 28-1/2