4VAC25-40-1280: Boiler equipment and maintenance

Boilers shall be equipped and maintained as follows:

1. Boilers shall be equipped with guarded, well-maintained water gauges and pressure gauges placed so that they can be observed easily. Water gauges and pipe passages to the gauges shall be kept clean and free of scale and rust;

2. Boilers shall be equipped with automatic pressure-relief valves; valves shall be opened manually at least once a week to determine that they will function properly;

3. Boiler installations shall be provided with acceptable safety devices to protect against hazards of flame outs, fuel interruptions, and low water level; and

4. Blowoff valves shall be piped outside the building and shall have outlets so located or protected that persons passing by, near, or under them will not be scalded.