Gas lines ran through TPR valve

Anyone ever seen this? Two water heaters in the building and both had about 10 feet of extra gas lines so they could run through the pressure relief valve.

http://www.wattscanada.ca/pages/_products_details.asp?pid=3435

obsolete

Replacement below

http://www.watts.com/pages/_products_details.asp?pid=6819

](http://www.watts.com/pages/_products_details.asp?pid=6819)

Instead of a water release when there’s too much pressure it shuts off the gas instead

http://www.opensky.com/plumbing-overstock/product/watts-lf210-5-lead-free-3-4-automatic-gas-shutoff-valve-0556025-1?osky_origin=google&osky_source=pla&gclid=CPf7ksW5v7wCFUhgMgodcRYA6Q