the iO-DFK comes standard with the outdoor balance point thermostat required for automatic changeover logic

Ensure your secondary heat exchanger is draining properly by utilizing this genuine trap/elbow assembly for all compatibility-matched service applications

the valve delivers precise temperature sensing directly within the hot water storage tank

Does this shaft include the keyway for pulley attachment

Rugged Construction: Built to withstand the harsh thermal cycling environments found inside heat exchangers and supply plenums

Browning 3B5V60 Sheave 326070-701 the iO-DFK comes standard withThe Browning 3B5V60 Sheave is a precision engineered three groove B5V Gripbelt sheave designed for high capacity power transmission in demanding HVACR and industrial blower applications. Featuring a 6. 28" outside diameter and a 5. 9" pitch diameter, this component is balanced for high speed operation and reduced vibration. Designed for use with B series bushings, it offers versatile shaft mounting options for various drive configurations. This sheave