If your vent pipe or heat exchanger is restricted

the device utilizes an auto-reset mechanism to restore operation

Common Questions Can the 90-295Q be used on a 120V system

and wall damage from previous controls

This OEM Carrier part features a 1/4" x 5/16" configuration

Parker 700132-002 Sight Glass If your vent pipe orThe Parker 700132 002 is a high performance PSG 3S moisture liquid indicator designed for commercial refrigeration and HVAC systems. As the direct engineering update to the legacy Parker 070135 02, this unit features a 3 8" ODF solder connection, ensuring a leak proof fit within the liquid line. Field technicians rely on the PSG series sight glass for its high visibility sapphire crystal lens, which provides a clear view of the refrigerant's state and