This is a perfect condition Genuine Pentair Manifold with a new drain plug and 12 new O-rings. This can work on any mastertemp / max-e-therm 175k – 400k by using you existing manifold bottom plate (plate with holes that connects to the coil/tubes). Manifold is cleaned and ready for use however it may have some dirt or minor markings on it that will not affect performance. New coil O-rings provided. 12-new tube / coil orings (8 needed for 250k). 1- New zinc 3/4 plug. No sensors or pressure switch. Ask questions prior to purchasing! We use rfid, hologram and Ultra violet markings to prevent return abuse / fraud.