Your Price: $549.00 PN: NP-0022-0572A Description: ACD, block only. (3 filters) FUNCTION/RATING: Auto bleeding of condensate separators. 5000psi maximum. INCLUDES: 3 drain block assembly, manual bleeders w/safety chain. REQUIRES: Timer, solenoid, plumbing. Kit is available (use NP-0022-0649AK). ORIGIN: 100% made in USA.