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The Resideo 390686-4 Natural Gas Orifice is specifically designed for efficient gas flow in pilot burners. Essential for professionals in the Heating and HVAC industry, this product ensures reliable operation and is compatible with a variety of Resideo burner models.
With its .018 orifice size, this component is fundamental for maintaining the correct fuel-air mixture, directly impacting the heating system's efficiency.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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