Home UL UL Subject 1478A:2011 UL Subject 1478A:2011$118.02 Original price was: $118.02.$59.00Current price is: $59.00. PRESSURE RELIEF VALVES FOR SPRINKLER SYSTEMS (CSDS Proposal, 12/19/2011) Underwriters Laboratories , 12/19/2011 UL Subject 1478A:2011 quantity Add to cart Category: UL Description Standard By:Underwriters Laboratories , 12/19/2011 Published:12/19/2011 Related products UL 542:1999 $133.96 Original price was: $133.96.$66.00Current price is: $66.00. Add to cart UL Subject 1062:1999 $282.91 Original price was: $282.91.$141.00Current price is: $141.00. Add to cart UL Subject 466:1999 $126.07 Original price was: $126.07.$63.00Current price is: $63.00. Add to cart UL Subject 60730-2-4:1999 $200.80 Original price was: $200.80.$100.00Current price is: $100.00. Add to cart UL Subject 6500:1999 $213.52 Original price was: $213.52.$106.00Current price is: $106.00. Add to cart UL Subject 1573:1999 $118.16 Original price was: $118.16.$59.00Current price is: $59.00. Add to cart UL Subject 1690:1999 $202.66 Original price was: $202.66.$101.00Current price is: $101.00. Add to cart UL 224:1999 $103.11 Original price was: $103.11.$51.00Current price is: $51.00. Add to cart UL Subject 1450:1999 $261.78 Original price was: $261.78.$130.00Current price is: $130.00. Add to cart UL Subject 1063:1999 $297.76 Original price was: $297.76.$148.00Current price is: $148.00. Add to cart