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verifying this aquastat controller against the 100170632 interchange ensures long-term system stability and eliminates calibration drift often found in generic aftermarket equivalents
The external equalizer compensates for the pressure drop across the evaporator and distributor
you typically require the Allanson 2721-628G
This 1/50HP permanent split capacitor (PSC) motor operates at 115Vac and a constant 3000 RPM
Lochinvar & A.O. Smith 100109724 Valve 320074-702 verifying this aquastat controller againstThe Lochinvar & A. O. Smith 100109724 Valve is a direct fit OEM replacement gas control designed specifically for high efficiency water heaters and residential power vent boiler systems. This natural gas valve operates on a 20V ignition circuit, featuring a 1 2" NPT inlet and a factory set 4" WC manifold pressure to ensure precise fuel to air ratios and stable combustion cycles. Engineering specifications for the 100109724 include a 1 1 4" shank