Heater Sensor assembly complete with clear plastic housing and o-ring to suit SV series heater tubes (v1 & v2 models).

Required part for issues pertaining to ER-2 & ER-5 codes or displayed temperatures of 99.9 degrees on SV series control systems.

NOTE: This part is required to be fitted by a qualified electrician, pool or spa technician only. SpaNET will not be liable for incorrect installation, damage or injury caused by an unqualified person installing this part. It is illegal and dangerous to carry out any electrical work without the appropriate qualifications.