Lochinvar & A.O. Smith 100171987 Valve 318423-701 always mount the switch with

always mount the switch with the diaphragm in a vertical plane

Set your multimeter to the DC microamp (µA) scale and wire it in series with the flame sensor lead

while the close-off pressure is rated at 200 psi

ensuring it meets the specific torque requirements of Alco solenoid valves

including APD

Lochinvar & A.O. Smith 100171987 Valve 318423-701 always mount the switch withUpgrade your system with the Lochinvar & A. O. Smith 100171987 Gas Valve Assembly, a critical component for maintaining precise manifold pressure in high efficiency water heaters and boilers. This OEM gas valve replacement is designed to regulate natural gas and propane flow with a redundant valve seat configuration, ensuring reliable ignition and stable combustion cycles. Integrating this genuine part into your HVAC gas valve assembly prevents common