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631 inches
This actuator enhances temperature control and improves energy efficiency in residential and commercial applications
69 in x 17
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Maxitrol M520-1/2 1/2 inch Modulating Valve for HVAC Hydronic Applications old-gtin_32279564419183 631 inchesProduct Description The Maxitrol M520 1 2 is a 1 2 inch modulating valve designed for indirect fired atmospheric burner applications, commonly utilized in HVAC systems. It is crafted to maintain outlet pressure slightly above atmospheric pressure with the bypass closed and zero voltage applied. Factory set pressure adjustment spring ensures reliability. Suitable for use with Series 3 and Series 94 systems. Installation by a licensed gas fitter
