for low fire and 3

With a generous 1-inch NPT connection and a high flow coefficient of 13 Cv

The 803112601 features a standard 1/4" NPT bottom inlet for the gas connection and a 1/8" NPT vent

Its robust construction ensures reliable performance in liquid

using the correct replacement adapter for Robertshaw ensures the system remains within manufacturer performance parameters

Lochinvar & A.O. Smith 100166248 Pressure Switch 321894-706 for low fire and 3The 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