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

allowing the motor to handle moderate overloads and voltage fluctuations without compromising the NEMA Premium efficiency rating

this unit is rated specifically for 1-50 PSI steam

Smith high-efficiency units requiring the 100093666 part specification

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