Pondmaster® Bottom Drain for ProLine™ Pressurized Filters Asynchronous Thermal protection is built into

Thermal protection is built into all SP pumps to ensure that the pump will protect itself from thermal damage

These solids can then be drained during the backwash cycle

Built-in air relief valve and pressure gauge prevents filter failure

it is available HERE but you must provide the serial number of your Ultima unit

Pondmaster® Bottom Drain for ProLine™ Pressurized Filters Asynchronous Thermal protection is built intoThe Pondmaster Bottom Drain for Pressure Filters enables you to add a bottom drain to any of these pressure filters, in order to facilitate proper cleaning and drainage for these filters. SKU UPC Code Description 15010 025033150102 Bottom Drain for ProLine Pressure Filters (#05010, 05015, 05020, 05025, 05040, 05045)