Intertherm M4 Gas Furnace
Efficient, Small Footprint
The Intertherm M4 Gas Furnace may be installed in a utility room or in an enclosed closet. The two-piece door design is both not only pleasing to the eyes but it makes it easier for service and repair work.
- 1-Year Parts
- 1-Year Labor
- 1-Year Mileage
100% Fired and Tested:
All units and each component are tested on the manufacturing line. Best packaging in the industry. Unique corner post design assures product will arrive to the homeowner dent free.
30-second Blower Delay:
Delay assures a warm duct temperature at furnace start-up. Adjustable blower off settings (60, 90, 120 and 180 seconds).
30-second Post Purge:
Increases life of heat exchanger.
Hot Surface Igniter:
Innovative application of an appliance type igniter with a 20 year history of reliability. Utilizes proven Smartlite® technology.
Color Coded Wire Harness:
Designed to fit the components, all with quick-connect fittings for ease of service and replacement.
Flexible Category IV Venting System:
May be vertically or horizontally vented using either a one-pipe or two-pipe system for maximum flexibility in installation.
High Static Blowers:
All models equipped with high static blowers.
Low Boy Height:
Easy to apply in low ceiling applications, works well with taller high SEER coils, easy to handle and install.
Tubular Primary Heat Exchanger:
Heavy gauge aluminized steel heat exchanger and 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.
High Efficiency Blower Kits:
Maximize efficiencies. On select units, a SEER improvement of up to 1 point is realized.
Multi-speed Direct Drive Blower:
Designed to give a wide range of cooling capacities. Switches on PCB, provide ultra easy motor speed selection.
Simple burner orifice and regulator spring change for ease of convertibility.
Diagnostic Lights for Easy Troubleshooting Without Counting Flashes:
Dedicated light for flame signal strength and two lights in combination to indicate all other fault codes with easy to recognize states without counting flashes.
Incorporates Integrated Control Board:
With connections for electronic air cleaner and humidifier.
Two-Piece Door Design:
Enhances furnace appearance and uses captured screws to prevent losing door screws.
Reduces burner and inducer sound levels.