These submersible stainless steel coil heat exchangers are ideal for use with high flow systems such as drum filters, and will neatly fit inside most biological chambers. The submersible design means no flow loss or restriction in return pipework allowing for high energy efficiency where possible.
Both sizes are supplied with a bulkhead fitting for a water tight seal, keeping the plumbing connections away from pond water. 3/4" male threaded fittings.
A fitting service is available with this product, please contact for further information.