The Antunes Controls 8221210034 is a precision-engineered Air Differential Pressure Switch designed for high-accuracy sensing in HVACR applications

The included wiring harnesses are designed to adapt the 9-pin and 12-pin connectors found on various Lennox model generations

What is the maximum tonnage for this reversing valve

As an inner spring

refrigerant levels

Conbraco 24-301-00 Gauge 30067439-890 The Antunes Controls 8221210034 isThe Conbraco 24 301 00 is an industrial grade rough bronze liquid level gauge designed for demanding HVACR and boiler applications. Engineered with a heavy pattern bronze valve body, this set features 1 2" NPT male pipe connections and comes standard with 5 8" OD x 12" high pressure glass. The assembly utilizes high performance PTFE with Hypalon glass seals and braided PTFE with Aramid stem packing to ensure leak free operation under thermal cycling.