Oregon Administrative Rules
Chapter 918 - DEPARTMENT OF CONSUMER AND BUSINESS SERVICES, BUILDING CODES DIVISION
Division 225 - BOILERS AND PRESSURE VESSELS
Section 918-225-0300 - Fired Water Heaters

Universal Citation: OR Admin Rules 918-225-0300

Current through Register Vol. 63, No. 12, December 1, 2024

Fired water heaters used exclusively for heating water for swimming pools or spas are considered pool boilers and are exempt from the requirements of ORS 480.510 to 480.665 if:

(1) Units are equipped with a flow switch or pressure switch set at a minimum of 1-1/2 psig;

(2) No intervening stop valves are installed on the discharge side of the unit;

(3) Discharge piping is not reduced from the engineered sizing of the fired heater;

(4) All units are equipped with an ASME-approved pressure relieving device set at 50 psig or lower;

(5) The unit has a maximum of ten gallons capacity contained within the unit; and

(6) The burner is wired in series with the circulating pump.

Stat. Auth.: ORS 480.560

Stats. Implemented: ORS 480.560

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