and CSA ANSI Z21

This HVAC pressure switch is the standard solution for contractors maintaining Reznor equipment to factory standards in demanding environments

Integrated Sensing: Features a built-in flame rod and electrode for accurate flame proving

When burner flames deviate from the heat exchanger inlet

simplifying field replacements for technicians

Rheem-Ruud AP13143-2 Damper Assembly Freon and CSA ANSI Z21The Rheem Ruud AP13143 2 Damper Assembly is a critical combustion air management component engineered for high capacity 9 inch vent hood systems. As the direct replacement for AP13143 1, this assembly ensures precise control of exhaust flow and prevents backdrafting in commercial and heavy duty residential water heating applications. Built to withstand high temperature flue gases, the vent hood damper assy 9 in. integrates seamlessly with existing