02-658 C.M.R. ch. 9, § 16 - Safety and Pressure Relief Valves
9.16.1
Approved Safety or Pressure Relief Valve Required
Steam and hot water boilers must be equipped with
9.16.2
Termination
1. All steam safety or pressure relief valves
must terminate in a manner which precludes the possibility of accidental
scalding.
2. Steam safety or
pressure relief valves over two (2) inches in diameter must terminate outside
of the structure in a safe location.
3. Steam safety or pressure relief valves
which terminate in the structure must 6" to 12" above the floor.
9.16.3
Installation in
Upright Vertical Position Required
Steam safety and pressure relief valves on boilers must be installed with the spindle in the upright vertical position.
Notes
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