33.1-14-09-19. Modular hot water heating boilers.

1. Individual modules must be limited to a maximum input of four hundred thousand British thermal units [4.22 x 10 to the eighth power joules] per hour (gas), three gallons [11.36 liters] per hour (oil), or one hundred fifteen kilowatt-hours (electricity).

2. Each module of a modular hot water heating boiler must be equipped with the following: a. Pressure/altitude gauge (see section 33.1-14-09-12). b. Thermometer (see section 33.1-14-09-13). c. Operating temperature control (see subsection 2 of section 33.1-14-09-14).

d. Safety relief valve (see section 33.1-14-09-07). e. Drain valve (see section 33.1-14-09-20).

3. The assembled modular hot water heating boiler must be equipped with the following: a. High-limit temperature control (see subsection 1 of section 33.1-14-09-14). b. Low-water fuel cutoff (see section 33.1-14-09-18). c. Makeup feedwater connection (see section 33.1-14-09-11). d. Expansion tank provisions (see section 33.1-14-09-15). e. Stop valves (see section 33.1-14-09-10).

History: Effective July 1, 2020.

General Authority: NDCC 23.1-16-07

Law Implemented: NDCC 23.1-16-07