Allied Furnace: Do not vent into an existing stack or use screens
Do not vent into an existing stack or use screens on a Allied furnace: Exhaust must not discharge into a stack that serves another gas appliance. Screens or perforated metal in exhaust or intake terminations cause freeze-ups and can block them.
Applies to: Exhaust and intake terminations
How to fix do not vent into an existing stack or use screens: step by step
- If a vertical discharge through an unused stack is required, insert PVC pipe into the stack until its end is even with the top of the metal stack.
- Do not install screens or perforated metal on exhaust or intake terminations.
If the unit shows an error code, look it up: Allied Furnace codes
Models
92G1UH92G1UH0450892G1UH0451292G1UH0700892G1UH0701292G1UH0901292G1UH0901692G1UH1101692G1UH1102092G1UH1352095G1UHA93UHA95UH
Source: Allied 92G1UH installation manual, p. 19-21 (PDF p. 19-21). 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.