A hex wrench is included in the kit to secure the brass lug directly to the compressor pin

the PFA soft seat is designed for easy field replacement

or differential air pressure within a single adjustable pressure switch unit

While designed as a Lennox 33H36 OEM part

Siemens Building Technology 243-00211 Valve Assembly 323613-751 A hex wrench is includedThe Siemens 243 00211 Valve Assembly is a high performance 2 way normally open solution designed for hydronic system control. Featuring a 1 2 inch NPT threaded connection and a reliable 2. 5 Cv linear flow rate, this assembly is engineered for precision in hot or chilled water applications. The unit utilizes a durable brass body with brass trim and a stainless steel stem, ensuring longevity in demanding commercial and residential environments. Powered