Or. Admin. R. 918-225-0370 - Coil-Type Water Boilers

Coil-type water boilers, where the water can flash into steam when released directly to the atmosphere through a manually operated nozzle, are exempt from ORS 480.510 to 480.665 if the following conditions are met:

(1) There is no drum, header, or other steam space;

(2) No steam is generated within the coil;

(3) Tubing outside diameter does not exceed one inch;

(4) Pipe size does not exceed NPS 3/4;

(5) Nominal water capacity does not exceed six gallons;

(6) Water temperature does not exceed 350° F.;

(7) Adequate safety relief valves and controls are provided.

Notes

Or. Admin. R. 918-225-0370

BCA 19-1991(Temp), f. 6-14-91, cert. ef. 6-15-91; BCA 30-1991, f. & cert. ef. 9-9-91; BCA 36-1993, f. 12-30-93, cert. ef. 1-1-94; Renumbered from 918-225-0096

Stat. Auth.: ORS 480.560

Stats. Implemented: ORS 480.560