The Shieldâ„¢ refrigerant locking cap has an inner and an outer cap, which are made from C360 alloy brass. The cap comes with a waterproof, color-coded, rubberized sleeve to protect the cap against ...
FORT MYERS, Fla. - Every year there was at least one unexplainable low-refrigerant service call, but when more than 10 occurred in 2009, executives at HVAC contractor Advanced Air and Refrigeration ...