NTI Boiler: Do not add cold make-up water to a hot boiler
Do not add cold make-up water to a hot boiler on a NTI boiler: Adding cold water to a hot boiler causes thermal shock that can crack the heat exchanger. This damage is not covered by warranty. Also, continual fresh make-up water shortens boiler life and must be stopped by repairing leaks at once.
Applies to: TRX boilers, system fill and service
How to fix do not add cold make-up water to a hot boiler: step by step
- Let the boiler cool before adding make-up water.
- Repair leaks in the boiler or piping right away.
If the unit shows an error code, look it up: NTI Boiler codes
Models
TRX085TRX110CTRX150TRX199TRX199C
Source: NTI TRX150 manual, p. 7. 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.