Johnson magnetic driven centrifugal pump for use as a fresh water circulating pump. Featuring a compact design, low current consumption and high flow rates, this pump is suitable for circulating water in live fish tanks, heating and cooling systems etc. The pump is suitable for fresh water and antifreeze, but not salt water.

The pump has a thermoplastic body and impeller, with stainless steel shaft. A magnet drives the enclosed motor which is designed for continuous operation, withstanding dry running for up to 30 minutes. The pump shell is leak proof due to the seal-less design. The Johnson CM30P7-1 is CE marked to EN55014, ISO8846, ISO10133 and 72/245/EEG, 95/54EG and has a service life of 5,000 hours.