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Allied Furnace: Joint cementing procedure for plastic vent pipe

Updated · by Aurora Star Tech Inc.

Joint cementing procedure for plastic vent pipe on a Allied furnace: Cement joints per ASTM D2855. Time matters, so work fast once primer goes on.

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Applies to: PVC, CPVC and ABS vent joints

How to fix joint cementing procedure for plastic vent pipe: step by step

  1. Measure and cut the vent pipe to length.
  2. Deburr and chamfer the pipe end so no ridges remove cement from the socket.
  3. Clean and dry the surfaces to be joined.
  4. Test fit and mark the fitting depth on the outside of the pipe.
  5. Apply a liberal coat of PVC primer (for ABS use a clean dry cloth) to the socket and pipe end to the marked depth. Do not let primer dry before cementing.
  6. Apply solvent cement lightly and evenly inside the socket, then a second coat to the pipe end.
  7. While both surfaces are wet, push the pipe fully into the socket within 20 seconds. Give PVC a 1/4 turn while inserting, but do not turn ABS or cellular core pipe.
  8. Wipe excess cement at the socket. A good joint shows a bead all the way around.
  9. Handle joints carefully until fully set.
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

Source: Allied 92G1UH installation manual, p. 19-20 (PDF p. 19-20). 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.

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