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WAC 296-863-20035

Make sure liquefied petroleum gas (LPG) fueled PITs meet these requirements.

(1) You must use fuel containers that meet either of the following minimum requirements:
(a) A U.S. Department of Transportation (USDOT) approved container authorized for LP-gas service that has a minimum service pressure of two hundred forty pounds per square inch gage (psig); or
(b) A container Type 250 that has a design pressure of 312.5 psig.
(2) You must make sure fuel containers do not use variable liquid-level gages that require venting fuel to the atmosphere.
(3) You must make sure the fuel system of PITs used inside buildings:
(a) Has an approved automatic shutoff valve, located ahead of the inlet of the gas-air mixer, that will stop the flow of fuel to the mixer if the engine stops; and
(b) Use not more than two LP-gas fuel containers.
(4) You must make sure the fuel system of PITs used outdoors has an approved automatic shutoff valve, located ahead of the inlet of the gas-air mixer, that will stop the flow of fuel to the mixer if both:
(a) The ignition is off;
(b) The engine is not running.
Note:
You may use an atmospheric type regulator (zero governor) as a shutoff valve if the PIT is used outdoors.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-18-075, § 296-863-20035, filed 9/5/17, effective 10/6/17; WSR 04-19-051, § 296-863-20035, filed 9/14/04, effective 2/1/05.]
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