Heater for Watkins Caldera spa models that use the Watkins 74912 trombone style heater with built in flow sensor. Comes with 3/4″ barb to connect the heater to a circulation pump, April 2008 and earlier models have a 1″ barb connection which would require an adaptor for this heater to fit. This heater has the built in internal pressure switch with a separate cord and plug. Heater is made by Balboa.
Compatible replacement for the following Caldera spa models:
- Utopia, 2001 to current,
- Aquatic Melodies, 2001 to current,
- Paradise Series, 2001 to current,
- Salina, 2012
2001 models must use adapter kit 75002 to convert the three prong plug to four prong for the Balboa systems in 2001.
Also replaces:
- 72226
- 72494
- 72718
- 6595
- 39588
- 7340
- SEH-4300-NHW-6595
- C3473-1
- IHH-4300-NHW-7340
Please Note:
All the replacement hot tub heater assemblies with safety sensors and flow switches we sell are shipped factory-new and factory-tested. Hot tub heater assemblies are non-returnable items as they cannot be resold. For further information, please refer to our return policy. All hot tub heaters come with the original manufacturer’s warranty.
