The Trane WHL0721 Blower Wheel is a precision-engineered OEM replacement part designed for specific air handling and furnace applications

and Emergency Heat modes using the dedicated system switch

this kit is specifically calibrated for the Hankison 505SS and 506 Series

Durable Internal Diaphragm: Built to withstand repeated cycles and vibration common in HVAC compressor compartments

Intermatic FM/1QTUZH-120U Timer 30067439-890 The Trane WHL0721 Blower WheelThe Intermatic FM 1QTUZH 120U is a high capacity 120V electromechanical timer module engineered for seamless integration into machine control panels and HVACR systems. As a quartz driven timer, it features a self recharging battery backup that provides a 72 hour carryover, ensuring your 24 hour scheduling remains uninterrupted during power seasonal outages. This module is built with a robust 21 Amp SPDT switch, making it a reliable choice for managing