NTI Boiler: Reducing vent to 2 in on 150 models
Reducing vent to 2 in on 150 models on a NTI boiler: Only 150 models may reduce vent diameter to 2 in.
Applies to: 150 models
How to fix reducing vent to 2 in on 150 models: step by step
- Use a 3 in x 2 in reducing coupling in a vertical run of pipe.
- Do not use reducing bushings.
- Do not increase vent diameter on any model.
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: NTI Boiler codes
Models
TRX085TRX110CTRX150TRX199TRX199C
More commissioning tips for boiler
Source: NTI TRX150 manual, p. 36. 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.