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The MILL-ROSE 70766 is a steel tee handle designed for use with boiler brushes in tube and flue cleaning applications. It provides a secure, ergonomic grip that allows a technician to apply controlled rotational and push force when brushing heat exchanger tubes, boiler flues, and similar passages. Constructed from steel, the 70766 threads directly onto 0.25 inch NPT extension rods, making it compatible with standard rod-and-brush cleaning systems. HVAC technicians and boiler service professionals typically use this handle when performing scheduled maintenance on fire-tube boilers, water-tube boilers, and other heat transfer equipment that requires periodic tube cleaning.
The 70766 tee handle is suited for residential and commercial boiler maintenance work. It is used in conjunction with boiler brushes and 0.25 inch NPT extension rods to build out a cleaning assembly sized to the depth of the tubes being serviced. The tee design gives the technician a two-hand grip for consistent brushing force without excessive fatigue during repetitive cleaning passes.
Designed for use with 0.25 inch NPT extension rods in standard boiler brush cleaning assemblies, as stated by the manufacturer.
Installation of this handle is performed by HVAC technicians or boiler service professionals during scheduled maintenance procedures. Ensure the boiler is shut down, depressurized, and cooled before opening any access ports or inserting cleaning equipment into tubes or flues. Thread the tee handle onto the extension rod assembly by hand until snug before use. Follow all applicable local codes and boiler manufacturer service guidelines when performing tube cleaning.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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