“UL 542:1999” has been added to your cart. View cart Home UL UL Subject 1478A:2012 UL Subject 1478A:2012$261.80 Original price was: $261.80.$130.00Current price is: $130.00. PRESSURE RELIEF VALVES FOR SPRINKLER SYSTEMS (CSDS Proposal, 10/12/2012) Underwriters Laboratories , 10/12/2012 UL Subject 1478A:2012 quantity Add to cart Category: UL Description Standard By:Underwriters Laboratories , 10/12/2012 Published:10/12/2012 Related products UL 224:1999 $103.11 Original price was: $103.11.$51.00Current price is: $51.00. Add to cart UL Subject 1971:1999 $215.53 Original price was: $215.53.$107.00Current price is: $107.00. Add to cart UL Subject 508:1999 $136.87 Original price was: $136.87.$68.00Current price is: $68.00. Add to cart UL 768:1999 $222.51 Original price was: $222.51.$111.00Current price is: $111.00. Add to cart UL Subject 1063:1999 $297.76 Original price was: $297.76.$148.00Current price is: $148.00. Add to cart UL Subject 1690:1999 $202.66 Original price was: $202.66.$101.00Current price is: $101.00. Add to cart UL 1413 $631.00 Original price was: $631.00.$315.00Current price is: $315.00. Add to cart UL Subject 676:1999 $247.42 Original price was: $247.42.$123.00Current price is: $123.00. Add to cart UL Subject 252:1999 $149.22 Original price was: $149.22.$74.00Current price is: $74.00. Add to cart UL Subject 1450:1999 $261.78 Original price was: $261.78.$130.00Current price is: $130.00. Add to cart