The 903407 is the structural steel panel

The Lennox 79J89 Limit Switch is a critical OEM replacement part designed for precise thermal regulation in Lennox residential and commercial furnaces

Sleeve Bearing System: Designed for quiet operation and reliable service life in vertical or horizontal orientations

Is this O-ring compatible with modern refrigerants

Conbraco 10-616-07 Valve 322838-752 The 903407 is the structuralAs a seasoned contractor, you know that protecting high output hydronic systems requires more than just a standard relief valve. The Conbraco 10 616 07 Valve, also known as the Apollo 10 600 series, is an ASME Section IV certified powerhouse designed specifically for large scale hot water heating boilers. With a massive 3,343,000 BTU capacity and a factory set pressure of 40 PSI, this valve is engineered to handle the thermal expansion and over