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

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

the Maxitrol R8110-515 is suitable for use in systems involving natural

Automatic Reset Logic: Eliminates the need for manual intervention by resetting the circuit automatically once temperatures return to the safe 100°F threshold

Integration is straightforward via color-coded lead wires

Belimo B221 Valve 30067439-890 the 8402-074BX is identical toFor 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