Tailwind Gas Control Thermostats

Overview

The AO SMITH 100110278 is a White Rodgers Intellivent thermostat gas control valve designed for natural gas water heaters. It combines gas flow regulation, thermostat control, and pilot safety functions into a single integrated unit. The valve features a 2.25-inch shank length and incorporates a 100% gas shutoff that activates automatically if the pilot flame fails. Licensed plumbers and HVAC technicians install this control as a direct OEM-style replacement. Its safe lighting design permits ignition procedures without exposing the main burner to uncontrolled gas flow, reducing risk during startup. This gas control valve is rated for heating applications and is specifically suited for residential natural gas water heaters. It is used on the AO SMITH GPCR 40 and GPCR 50 models, Series 200. Installers working on these units will find the 2.25-inch shank fits the existing valve port without modification. This part directly replaces OEM part number 184768-002, making it a straightforward service replacement for failed or malfunctioning controls on applicable units. Key Features 100% gas shutoff on pilot failure — prevents unburned gas from reaching the main burner Safe lighting design allows pilot ignition without activating main gas flow 2.25-inch shank length matches OEM fitment on GPCR 40/50 Series 200 water heaters Integrated Intellivent thermostat and gas valve in a single assembly Direct replacement for OEM part number 184768-002 Natural gas (NG) rated for residential…