Weil-mclain 672619163690 Block Section Assembly EG30-35 No Tankless Opening Replacement 321-811-095

Product Description

The Weil-McLain 672619163690 Block Section Assembly is a cast iron boiler section designed as a direct replacement for EG30 and EG35 series boilers without a tankless opening. This part number corresponds to the Weil-McLain 321-811-095 section assembly, a heavy-duty component built to restore and maintain the heat exchange core of EG-series cast iron boilers commonly found in residential and light commercial heating systems. Cast iron block sections are the structural and thermal heart of a sectional boiler. Each section conducts heat from combustion gases into the water or steam circulating through the system. When a section cracks, corrodes, or fails, the entire boiler can lose efficiency or shut down completely. Replacing the block section assembly restores the boiler to proper operating condition without requiring a full boiler replacement. The EG30 and EG35 boilers are oil-fired, wet-base, cast iron sectional boilers used in forced hot water and steam heating systems. They are common in older homes and commercial buildings across the northeastern United States and other cold-climate regions. HVAC technicians and plumbers working on boiler service, repair, and restoration frequently need factory-spec section assemblies to complete repairs that meet original equipment standards. This assembly does not include a tankless coil opening, making it the correct choice for installations where domestic hot water is supplied by a separate system. Using the correct section assembly ensures proper sealing between sections, correct flue gas passageways, and full compatibility with existing EG-series boiler hardware. The part weighs approximately 430 pounds, reflecting the dense cast iron construction standard for this product type. Always verify the boiler model and section configuration before ordering to confirm fitment.

• Direct replacement block section assembly for Weil-McLain EG30 and EG35 cast iron sectional boilers
• No tankless coil opening — correct for systems with a separate domestic hot water source
• Heavy cast iron construction provides long-term durability and efficient heat transfer in hot water and steam heating applications

Product Highlights

The Weil-McLain 672619163690 Block Section Assembly delivers a factory-spec replacement for EG30 and EG35 boilers, allowing HVAC professionals to restore boiler function without full system replacement. Its cast iron build and precise fit ensure reliable, long-term performance in residential and commercial heating systems.

Product Information

Standard Information

• Brand: WEIL-MCLAIN
• Manufacturer Part Number: 672619163690

Technical Specifications

• Replacement Part Number: 321-811-095
• Compatible Models: EG30, EG35
• Tankless Opening: None
• Item Type: Parts
• Weight: 430 pounds
• UPC: 672619163690