Lochinvar & A.O. Smith 100109724 Valve 320074-702 you typically require the Allanson

you typically require the Allanson 2721-628G

including LH33WP003 and LH33WP003A

The external equalizer compensates for the pressure drop across the evaporator and distributor

This 1/50HP permanent split capacitor (PSC) motor operates at 115Vac and a constant 3000 RPM

this 120V to 24V step-down transformer features a compact footprint and robust internal lamination to minimize mechanical hum and inductive losses

Lochinvar & A.O. Smith 100109724 Valve 320074-702 you typically require the AllansonThe 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