it is engineered for compatibility with water

As a genuine Rheem replacement part (also cross-referenced with 8404-5543 and 47-20034-06)

though the ignition port should typically be mounted 1/4 inch above the nearest burner port for optimal ignition

If the DSI board is sending 24V to the primary side but no spark occurs at the electrode

It features a standard 1/4" NPT process connection for straightforward mounting and a 1/8" NPT vent for required atmospheric referencing

Advanced Distributor Products 76700667 Blower Motor 30067439-890 it is engineered for compatibilityThe Advanced Distributor Products 76700667 is a high efficiency direct drive blower motor designed specifically for integration into ADP residential air handlers and modular blowers. Operating at 208 240V, this 1 3 HP motor features a three speed design (High, Medium, Low), allowing contractors to fine tune static pressure and airflow to meet specific ductwork requirements. As a genuine OEM component, the 76700667 (functionally identical to R76700667)