Maxitrol M520-1/2 1/2 inch Modulating Valve for HVAC Hydronic Applications old-gtin_32279564419183 The Goodman GMEC800403AX features a

The Goodman GMEC800403AX features a two-stage gas valve for quiet and economical heating

Ideal for high-traffic areas

Compatibility: Works with CAS-3

5 gallon capacity

Maxitrol M520-1/2 1/2 inch Modulating Valve for HVAC Hydronic Applications old-gtin_32279564419183 The Goodman GMEC800403AX features aProduct 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