Excess flow valve testing

(a)Each Operator shall test the functionality of Service Line excess flow valves at the time of installation in all locations where a test can be performed safely, and the operating pressure is adequate to perform the test.#

(b)The test shall consist of introducing a medium through the excess flow valve at a high flow rate, verifying shutoff, and resetting the device.#

(c)If the excess flow valve does not operate as designed, it shall be replaced immediately.#