Brass Sales Co Inc.
Part # M745 M760 M772
95+% Downflow GAS Furnace Short
Short Model (w/o Coil Box)
High Efficiency / Direct Vent Condensing Downflow Gas Furnace Induced Draft - 95%+ AFUE / Input 45,000 thru 72,000 Btuh
19 3/4” Wide 23 3/4” Deep 56” Tall
The high efficiency downflow gas furnace is especially designed for Modular Housing. It may be installed in a utility room, or enclosed in a closet. CSA design certified for use in the United States and Canada.
Tall Model (Pictured)
• Fixed 30 second blower delay: At burner start-up assures a warm outlet air temperature at furnace start-up. Adjustable blower off settings (60, 90, 120 and 180 seconds). • Fixed 30-second post purge: Increases life of heat exchanger. • Dependable, hot surface ignitor: Innovative application of silicon nitride type igniter. Utilizes proven Smartlite® technology. • Tubular primary heat exchanger: Heavy gauge aluminized steel heat ex- changer assures a long life. • Stainless steel secondary heat exchanger: Assures a long life. • 90 second fixed cooling cycle blower-off delay (TDR): Increases cooling performance when matched with a NORDYNE coil. • Sealed combustion approved for direct vent furnace, category IV venting system: May be vertically or horizontally vented using a two-pipe system for maximum flexibility in installation. • LP convertible: Simple burner orifice and gas valve regulator change for ease of convertibility. • Multi-speed direct drive blower: Designed to give a wide range of cooling capacities. Switches on PCB, provide ultra easy motor speed selection. 40VA transformer included. • Diagnostic lights for easy troubleshooting without counting flashes: Dedi- cated light for flame signal strength and 2 lights in combination to indicate all other fault codes with easy to recognize states without counting flashes.
19 3/4” Wide 23 3/4” Deep 76” Tall
*The M7RL will fit in the same footprint and uses the same duct connector as the M1 & M3 funaces. The design of the M7RL allows for direct substitution in place of the M1 & M3 series furnaces.
Automatic Cavity Damper
“VEE” Box Adapters (10”)
“VEE” Box Adapters (12”)
A/C Coil Box
Concentric Vent Termination Kit
Sloped Roof VentilAire IV Kit