For relief valves For decent water heaters (ANSI Z212B-1984) by a nationally acknowledged lab that maintains periodic Valid only for support indicated on coupon. Present can not be combined with any other discounted or advertising. GLS Tanks presents a single-in-all methods and so also takes care of delivery and assembly https://www.facebook.com/permalink.php?story_fbid=pfbid02ttF5Wt13oqXGbn5Jigbm6piGgBweHgktVEEkrsGCVFRSaJc6CQWmXPNf3o2hy6YGl&id=61560512640678&__cft__[0]=AZVs9kPP3FWeELSzBfKwh-T9Wy2cxFdGGUWUEiIuKFpvknAIfkVGbUSgffhAYinOzveKP4f1jHlH5ClJIGJ4ZvKtbxrSKgJFiRrP3cH8gPFDTnCZ6BE8S_wnU_-YtvI0J0izyEzLc68-1qWO7OjKyXatrsLmNwJKikxTFeWvY3tB_rTR2tvurz9iMSejktZCDu3rt_Tz8b5Ex8SryOhq8Xtq&__tn__=%2CO%2CP-R