Ariz. Admin. Code § R20-5-412 - Automatic Low-water Fuel Cutoff Devices or Combined Water Feeding and Fuel Cutoff Devices

A. An Owner, Operator, or User shall ensure that low-water fuel cutoff devices or combined water feeding and fuel cutoff devices do not interfere with an Operator's or Authorized Inspector's ability to safely clean, repair, or inspect a Boiler, Lined Hot Water Heater, or Pressure Vessel.

B. A low-water fuel cutoff device shall have a pressure rating not less than the set pressure of the Safety Valve or Safety Relief Valve.

C. In addition to the requirements of subsections (A) and (B), all low-water fuel cutoffs and flow sensing devices shall be constructed and installed in accordance with applicable ASME Code and standards for Boilers and Direct Fired Jacketed Steam Kettle in R20-5-404(A).

Notes

Ariz. Admin. Code § R20-5-412

Repealed effective April 12, 1979 (Supp. 79-2). New Section adopted effective April 9, 1992 (Supp. 92-2). R20-5-412 recodified from R4-13-412 (Supp. 95-1). Amended effective October 9, 1998 (98-4). Amended by final rulemaking at 15 A.A.R. 1496, effective August 18, 2009 (Supp. 09-3). Amended by final rulemaking at 28 A.A.R. 3952, effective 12/7/2022.