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terminals 4 and 6 are "dummy" terminals used for wire anchoring and have no electrical connection to the internal relay coil or contacts
Dual Frequency Operation: Engineered for both 50Hz and 60Hz power supplies
00") can lead to improper combustion or safety lockouts
the MA40-7170 meets NEMA 4 (IP56) standards
Lochinvar & A.O. Smith 100109812 Gas Valve 320720-756 terminals 4 and 6 areThe Lochinvar & A. O. Smith 100109812 Gas Valve is a critical OEM component designed for high performance water heating systems. Engineered with a precision 3. 5" WC manifold pressure setting, this natural gas control valve ensures stable combustion and efficient heat generation in demanding commercial and residential environments. As a direct replacement for the 180193 4 gas valve, it provides the exact voltage and flow characteristics required to
