Steam or hot water combustible fluid heaters shall be so designed and constructed that in the event of failure of any part, the combustible fluid cannot enter the boiler water.
[Statutory Authority: RCW
70.79.030 and
70.79.040. WSR 96-21-081, § 296-104-245, filed 10/16/96, effective 11/16/96. Statutory Authority: RCW
70.79.030. WSR 78-03-057 (Order 78-3), § 296-104-245, filed 2/22/78; Part IV, § 10, filed 3/23/60.]
