It features a dual-port configuration

the 70L54 is technically identical to the 70L5401

Skin oils can create hot spots on the ceramic-carbide surface

reach-in freezers

metal-to-metal seal that eliminates the risk of refrigerant leaks in critical piping transitions

Setra 26412R5WD11T1C Pressure Transducer Els PW 29614 It features a dual-port configurationThe Setra 26412R5WD11T1C is an industry standard low differential pressure transducer designed for precise HVAC building automation and critical environment monitoring. This unidirectional pressure sensor features a 0 to 2. 5" WC (Water Column) range and utilizes Setras patented stainless steel capacitive sensing element. This all stainless steel micro tig welded sensor provides superior long term stability and resistance to overpressure up to 10 PSI.