Resideo Q345A1321 Igniter-Burner 323269-701 it is factory set to

it is factory set to 15 psi to provide precise over-pressure protection

What are the signs of a failing heat exchanger in these units

For optimal performance and to prevent float binding

Key Benefits for Contractors: Direct OEM Fit: Ensures perfect alignment with existing vent piping and mounting points

Resideo Q345A1321 Igniter-Burner 323269-701 it is factory set toOptimized for rapid response systems, the Resideo Q345A1321 Igniter Burner is a heavy duty combination pilot burner and ignitor designed specifically for natural gas intermittent pilot systems. This intermittent pilot ignition assembly features a non primary aerated design to ensure a stable flame pattern even in fluctuating environments. Featuring a BCR 18 0. 018" orifice and a single tip style with a right hand front tip direction, this unit is