Lochinvar & A.O. Smith 100166248 Pressure Switch 320788-703 a 393691 conversion kit must

a 393691 conversion kit must be installed by a licensed technician to adjust the regulator spring for the higher pressure requirements of LP systems

maintaining elasticity and sealing force up to 750°F

the Schneider Electric (Barber Colman) 22-120 Socket is the industry-standard interface required for secure relay or module integration

The adjustable tip must be positioned so the pilot flame envelops the top 3/8 to 1/2 inch of the sensing element

The Parker 08F23O2140ACF is a high-performance 2-way normally open solenoid valve designed for reliable control in HVACR and industrial fluid systems

Lochinvar & A.O. Smith 100166248 Pressure Switch 320788-703 a 393691 conversion kit mustThe Lochinvar & A. O. Smith 100166248 Pressure Switch is a critical safety component designed for precise combustion air proving in high efficiency commercial boilers and water heaters. Rated at . 95" WC (Water Column), this SPDT (Single Pole Double Throw) switch monitors differential pressure to ensure the blower is moving sufficient air before the ignition sequence begins. This authentic OEM replacement part is the current manufacturer specified