D1 Bay Spa 5.5kw Square Back Heater

A popular heater used mainly on DIMENSION ONE SPAS® Bay series spas, other ref. numbers include, please see additional info if you own a Sarena Bay spa.

SHH-5500-NH6871, SSH-5200-NH-6785, NHH-5500-NH-7328, SHH-5500-NH-6771.

It doesn't come with a flow switch but we recommend to fit Harwil Reed Flow Switch. 

Long length: 530 mm
Short length: 420 mm
Width: 400 mm
Distance between long and short sides : 310 mm

Amps: 8.4 or 13.6 or 22
Volts: 230
Hz: 50

A simple wiring change can give either 2.1 or 3.4 kilowatts or 5.5kw. You must terminate and insulate the unused wire (brown for 3.4kw, blue for 2.1kw).

DIMENSION ONE SPAS® Bay Series Spas

3/4" Vinyl tubing connects to the heater tube

21″x14.5″ dual element with 4 wires, wraps around Gecko M class control box, with TCO, & plate

Connects directly to the side of the spa pack, the heater end connects to a Laing circulation pump.

If you have a Sarena Bay and it has a black metal box., this heater will not fit, it is mainly for Sarena Bays after 2003 using blue plastic boxes.