This self-contained hydroguard T/P series cartridge is engineered for precision pressure balancing and thermostatic control

Common Questions: Can I use Teflon tape on the probe threads

Key Benefits for Technicians Universal Compatibility: Works with all standard halogenated refrigerants and associated mineral

maintaining exact OEM specifications for fitment and tension

Schneider Electric (Barber Colman) 2218-134 Thermostat R-410A This self-contained hydroguard T/P seriesThe Schneider Electric (Barber Colman) 2218 134 is a specialized pneumatic room thermostat designed for proportional control of damper actuators and pneumatic valves in dual pressure systems. As a veteran grade summer winter thermostat, this unit facilitates seamless seasonal changeovers by responding to main air pressure shifts. It is specifically engineered for Honeywell 13 to 18# systems, where the device operates in Reverse Acting (RA) mode at 13