55" WC (Water Column) and utilizes a Single Pole Single Throw (SPST) switch configuration

providing reliable performance in industrial and commercial heating applications

the 8402-074BX is identical to 8402-074 and serves as the direct boxed replacement for obsolete 8402-060 models

Always verify the specific temperature ratings and mounting configuration against the original equipment manufacturer specifications

specifically those requiring a splined crank arm for 180-degree or 90-degree rotational output

Belimo B221 Valve 30067439-890 55" WC (Water Column) andFor precise flow control in your hydronic systems, consider the Belimo B221 valve. This robust 2 way ball valve HVAC component is engineered with a 3 4" NPT internal thread connection and a 24 Cv rating, ensuring optimal performance in demanding applications. Its equal percentage control valve characteristic provides stable and accurate modulation for heating and cooling coils in air handling units, fan coil units, unit ventilators, and VAV box re