Spa Power SP500 54500a & Classic Heater Body Locking Ring. Spa-Quip heater body lock ring, suits all models of classic heaters and Spa Power 500 controllers : 54500 , 500A15 , 500A20, 500A15MK2 , 500A20MK2, also suits some old Pulsar and Hot Spring Spas heater
This lock ring fits a Q3020 heater body (this is the larger locking ring).
Other SP500 / 54500 Parts:
- Heater Element: 1.5kw / 2.0kW
- PCB Upgrade / MK2 PCB Standalone
- Body O-ring
- Locking Ring
- Union O-rings
- Barrel Unions
- Touchpad: Oval / Rectangular
- Controller Unit – Complete (no touchpad)
- Complete Control System
- Optical Sensor: Type 1 / Type 2 (9.22mm OD) / Type 3 (11mm OD)
- Element Carrier (500A only)
Q5042BK