McDonnell & Miller 343600 Float and Gasket 30067439-890 Durable Construction: Features high-amperage contacts

Durable Construction: Features high-amperage contacts and stainless steel bellows to handle the inductive loads of compressor circuits

Its robust construction facilitates long-term stability under the intense thermal cycling common in mid-to-high-efficiency heat exchangers

more durable thread than standard tapped holes

Key Benefits High-Capacity Control: Features 8 conductors to support advanced smart thermostat installation and multi-stage equipment

McDonnell & Miller 343600 Float and Gasket 30067439-890 Durable Construction: Features high-amperage contactsWhen you're dealing with a McDonnell & Miller 343600 Float and Gasket (Model SA64 30), you're handling a critical safety component for steam boiler maintenance. This replacement assembly is specifically engineered for the Series 64 Low Water Cut Off and the high capacity Series 764 controls. In a hydronic heating system, the float must respond instantly to water level fluctuations to prevent dry firing. This kit includes the precision weighted