Reliable Heating and Cooling Solutions – Quality Service, Fair Prices, Guaranteed Satisfaction!

Allied Furnace: Duct static limit for heating mode

Updated · by Aurora Star Tech Inc.

Duct static limit for heating mode on a Allied furnace: The furnace is not certified for heating mode (blower on heating speed) when external static pressure is above 0.5 in. w.c. Higher static can cause improper limit operation.

Homeowner with a furnace problem? Call (647) 657-2977 or book a service call — licensed technicians across Vaughan and the GTA.

Applies to: All 92G1UH installations

How to fix duct static limit for heating mode: step by step

  1. Measure external static pressure with the blower on heating speed.
  2. If it is above 0.5 in. w.c., correct the duct system before commissioning.
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

If the unit shows an error code, look it up: Allied Furnace codes

Models

92G1UH92G1UH0450892G1UH0451292G1UH0700892G1UH0701292G1UH0901292G1UH0901692G1UH1101692G1UH1102092G1UH1352095G1UHA93UHA95UH

More commissioning tips for furnace

Source: Allied 92G1UH installation manual, p. 17 (PDF p. 17). Written in our own words as a summary; always check the original manual.

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

Emergency Furnace Repair

647-657-2977