GCTek products are not eligible for order discounts. Typically ships in 5-7 business days.These Max-E-Therm Heater from GC Tek uses a specially made Cupra Nickel exchanger, and work very well within Koi ponds. This unique design prevents rusted burners, as found in some types of heaters.
- Easy to install -- simply hook up your gas line and plug it in!
- Digital readout of pond temperature and set temperature
- 2" union inlet fitting at top, and 2" union outlet fitting at bottom
- Energy efficient, with an 84% efficient rating