Check that your existing shaft is 1/2 inch and the diameter matches the 23 1/4-inch spec

Wide Operating Range: Robust thermistor design maintains accuracy across varying environmental conditions typical of commercial and residential inlet ducts

you know that managing galvanic corrosion is the single most effective way to prevent premature tank failure

Can this knob be used for fan speed control as well as temperature

Siemens Building Technology 599-10303 Valve 323613-751 Check that your existing shaftThis Siemens 599 10303 is a 1 2 inch, two way ball valve designed for precision fluid control in HVAC systems. Engineered with a 1. 6 Cv and equal percentage flow characteristic, it ensures linear heat output when used in chilled water or hot water applications, including 50% glycol mixtures. The brass body is reinforced with a chrome plated brass ball and brass stem, providing a 200 psi close off rating and meeting ANSI Class IV leakage standards.