Resideo - Honeywell Home 390686-4 Combustion Pilot Burner OrificeCombustion Pilot Burner Orifice for natural gas systems, designed for residential Honeywell Home and Resideo pilot burners. This 0. 018 inch orifice provides precise fuel metering and reliable ignition, helping maintain safe combustion in your heating appliance. Compatible with Q308, Q314, Q327, Q345, Q362 and Q373 residential combustion pilot burners, this part ensures a tight seal and consistent flame performance. The package includes the BCR18

it automatically interrupts power when the limit is reached

Application: Used on Thermostatic Radiator Valve

and compatibility with standard gas valve interfaces

This 3-blade design delivers steady performance and helps maintain optimal cooling across cycles

dependable solution that blends performance with a bold color for quick recognition every day

Durable construction optimized for long-lasting boiler maintenance in commercial and industrial settings

and two ring packs

Built for commercial environments

making it suitable for demanding commercial environments

Applications: low-pressure steam heating and supply boilers

PTFE-coated probe end minimizes wear and buildup

precise opening to ensure safe and efficient gas delivery across commercial heating and fuel-fired systems