UL Standard BEST Test and Drain (model BTD 01) drains sprinkler system and operates water flow test. BTD is available in 1”, 1¼”, 1½”, & 2” sizes with maximum working pressure of 300 PSI.
UL Standard BEST Test and Drain (model BTD 01) drains sprinkler system and operates water flow test. BTD is available in 1”, 1¼”, 1½”, & 2” sizes with maximum working pressure of 300 PSI.