Section 300. Return loop connection

Latest version.

The return water connections to all low-pressure, steam heating boilers supplying a gravity return heating system shall be arranged to form a loop so that the water cannot be forced out of the boiler below the safe water level. This connection, known as a "return pipe loop connection," is shown in Section IV, ASME Heating Boiler Code.

Historical Notes

Derived from VR425-01-75 § 2.29, eff. July 1, 1974; amended, eff. November 1, 1978; July 1, 1991; September 1, 1993.

Statutory Authority

§§ 40.1-22 and 40.1-51.5 et seq. of the Code of Virginia.

                    
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