Lenoxx Electronics O25 Heat Exchanger, Riello Burner, Blower Motor, Insulated Blower Compartment

INNOVATIVE FEATURES FOR ENHANCED COMFORT AND EFFICIENCY

Heat Exchanger –

Constructed of heavy-gauge steel for maximum life.

Innovative Combustion Chamber – Constructed from alumina-silica ceramic fiber, provides quiet operation and high efficiency.

Riello Burner –

Delivers super-efficient combustion for greater fuel economy. A high-quality burner with special attention to sound reduction.

Blower Motor –

Multi-speed, direct-drive system that is statically and dynamically balanced.

Insulated Blower Compartment –

Minimizes operating sounds.

Durable, Insulated Steel Cabinet – Built to last and coated with a high-quality paint finish.

Quality you can trust.

Designed with reliable, time-tested components.

O25

Up to

84% AFUE

Elite® Series O25 Specifications

O25 Upflow		025Q2-70	Q2/3-105/120	Q4/5-140/154
AFUE		84%	82%	81.5%
Dimensions	HxWxD (in.)	54 x 19-1/2 x 30-5/8	54 x 19-1/2 x 30-5/8	54 x 22-1/2 x 33-1/8
	HxWxD (mm)	1372 x 495 x 778	1372 x 495 x 778	1372 x 572 x 841
OF25 Lo-Boy (Rear Flue)		Q2/3-105/120R
OF25 Lo-Boy (Front Flue)		Q2/3-105/120
AFUE		82% front/82.5% rear
Dimensions	HxWxD (in.)	37 x 19-1/2 x 52-1/8
	HxWxD (mm)	940 x 495 x 1324
OHR25 Down-flow/Horizontal		Q2/3-105/120
AFUE		83.5%
Dimensions	HxWxD (in.)	59 x 23-1/2 x 23-1/2
	HxWxD (mm)	1499 x 597 x 597

Note: Due to Lennox’ ongoing commitment to quality, all specifications, ratings and dimensions are subject to change without notice.

THIS MODEL

81.5%-84%

78% more energy-efficient 97%

Lennox is proud of the fact that these products have earned the Good Housekeeping Seal.