McDonnell & Miller 37-26 Mechanical Water Feeder/Low Water Cut-Off Gasket

The McDonnell & Miller 37-26 Mechanical Water Feeder/Low Water Cut-Off Gasket is a durable replacement part designed to seal and regulate water levels in boiler systems.

This Type Gasket fits the 47/47-2 and 247/247-2 series Mechanical Water Feeder/Low Water Cut-Off units, delivering reliable sealing and consistent performance across common boiler configurations.

Engineered to withstand high temperatures and mineral-rich water, it minimizes leaks, reduces false low-water trips, and supports efficient boiler operation.

As an OEM replacement, it preserves original fit and function, making maintenance quicker and less error-prone for technicians.

Whether you are performing routine maintenance or stocking parts for repairs, this gasket provides durable, long-lasting service in residential, commercial, and industrial heating systems.

• Original equipment style gasket for McDonnell & Miller 37-26 assemblies
• Precise seal for 47/47-2 and 247/247-2 series Mechanical Water Feeder/Low Water Cut-Off units
• Type gasket design optimized for boiler water conditions
• Easy OEM replacement that preserves fit and function
• Durable construction withstands boiler temperatures and mineral content