With an electro-magnetic clutch, you will have pumping power whenever needed, at the simple push of a button. Worn-out parts are easily replaceable, and service kits are available for all standard models. Constructed with bronze body with a connection for a vacuum switch. The shaft is stainless steel and is mounted with permanently lubricated double ball bearings. Mechanical seal. 12V/24V. 1" NPT. 25.9 GPM.