Titanium heaters are much more resistant to poor water balance.
Suits alomost all brands of USA made steel heater tubes, Balboa (including M7) Signature Spas, Gecko, Hydroquip, Pentair, Spa-Quip (Digital 2000 model).
To be fitted by a qualified electrician, pool or spa technician only. Mr Pool Man will not be liable for incorrect installation, damage or injury caused by an unqualified person installing this part.