Right I have a Berluga water chiller, thats been playing up on the oil pressure switch so I replaced the oil switch today with the coms cable and transducer, but the switch is still tripping out? what I have in 55 psi oil pressure, and 3/4 sight glass of oil, Its a copeland hermitique and ave been pulling my hair out about this and the pressure switch is a like for like (copeland sentronic 085-0172-03) and information regardin this would be great help!!:rolleyes: