Zurn Z1020 electronic trap primer programmed as standard to provide six-second water injection to traps every twenty-four hours. Complete with galvanized steel combination surface or recessed mount box and cover, 1/2" [13] solder copper inlet connection, brass ball type stop valve, slow closing 24 VAC soleniod valve with integral strainer, 120-24 VAC transformer, brass atmospheric vacuum breaker, PEX waterway, and anti-scaling multi-port mainifold.