The Watts 0559105 (Model LF1170-M2-US) is a high-performance 1 inch thermostatic mixing valve engineered for precision temperature regulation in domestic hot water systems and radiant heating applications

engineered to maintain a high flow capacity of 12

specifically unit sizes 150-400

It is designed to replace legacy part numbers MOT11992 and MOT08537 and is commonly found in TUD

The Schneider Electric MK-4821 is a professional-grade pneumatic valve actuator designed for the precise positioning of 1-1/2" to 2" VB-9XXX series globe valves in commercial HVACR systems

Browning 1VP71X 1 3/8 Sheave 322838-754 The Watts 0559105 (Model LF1170-M2-US)The Browning 1VP71X 1 3 8 Sheave is a precision engineered variable pitch sheave designed for commercial HVACR air handling units requiring precise fan speed adjustment. Constructed from high grade cast iron, this single groove component features a 7. 10" outside diameter and is configured for a 1 3 8" fixed bore mounting. The adjustable pitch diameter ranges from 4. 9" to 6. 4", allowing technicians to fine tune system CFM and static pressure