In what position should I mount this air pressure switch

Compact NPT Interface: Standard 1/4" NPT threaded ports facilitate seamless integration into existing pipe runs

you must replace the valve and seat as a matched set

Engineered to monitor negative pressure within the combustion chamber

This HGP-G model operates within a setpoint range of 8 to 35 inches water column (wc)

Emerson Alco 060854 Expansion Valve Refrigerant In what position should IThe Emerson Alco 060854, specifically the TCLE 12 HC series, is an externally equalized thermal expansion valve designed for high capacity R22 refrigeration systems. This 12 ton capacity valve utilizes a medium temperature charge (Code C), making it essential for walk in coolers and commercial HVAC applications requiring precise superheat control. Featuring a 5 foot capillary tube and an SAE external equalizer connection, this take apart expansion