Customer Service

HVAC Service Documents

Pressure Range	Low side: 36 to 50 psi High side: 284 to 356 psi
Indications	Both pressures are TOO HIGH The low-side piping is not cold
Causes	Air in the system
Remedy	Evacuate the system Replenish the refrigerant Check the gauge readings If prolonged operation with air in the system, the liquid tank must be replaced.

Request Information	ISO 9001:2008	News
Name Please put in your name Email Address Enter a valid email addressInvalid format. Telephone Number Enter your phone number Invalid format. Yes! send me industry updates Question or Request?	Perrin Manufacturing is committed to providing you with superior products and services; we renew this pledge through continual improvement of our products and motivation of our staff. We faithfully comply with all of the requirements of our ISO 9001:2008 Quality Management System, the most current edition of the standard. Beyond that, our highly trained quality staff persistently search for new ways to improve the effectiveness of our system.