NTI Boiler: Massachusetts venting requirements
Massachusetts venting requirements on a NTI boiler: Signage and piping labels required in Massachusetts and where state or local codes require them.
Applies to: Massachusetts and local code installations
How to fix massachusetts venting requirements: step by step
- Do not take combustion or dilution air from a bedroom or bathroom.
- Where a through-the-wall vent is less than 7 ft above grade, mount a metal or plastic sign at least 8 ft above grade in line with the vent.
- Sign text must read 'GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS' with letters at least 0.5 in high.
- Label exposed piping every 10 ft and concealed piping every 3 ft, at all direction changes, and on both sides of any wall or ceiling penetration.
- Labels must be black lettering at least the pipe diameter in height, up to 2 in maximum.
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
Source: NTI TRX150 manual, p. 37. 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.