McDonnell & Miller 21-12 Water Feeder GasketWater Feeder Gasket from McDonnell & Miller is designed for the 21 221 Series Make Up Water Feeder, delivering a reliable seal every time. This Type Gasket is a dedicated replacement gasket that helps maintain safe, efficient boiler operation. Ideal for routine maintenance, it minimizes downtime by providing a precise fit and dependable performance under pressure. As an OEM style replacement, it ensures a precise gasket seal with the 21 221 Series

The robust design resists corrosion

delivering peace of mind with every startup

Johnson Controls A25AN-1C Warm Air Limit Control is a SPST air temperature control with a manual reset

Ideal for control circuits

ideal for tight installations

The Maxitrol AD1094C-1050 Gas Fired Temperature Control Amplifier/Selector delivers precise temperature regulation with an integrated LCD display

Fyrite user software with USB mini cable

or rebuild projects

Reversing relay for bidirectional control

making it ideal for boiler feed lines and other hot water applications

a 50 PSI pressure rating

Reliable hot surface ignition for quick starts and consistent heat