
Heater Replacement
I will be showing you how to replace the heater in your Hot Spring hot tub. Follow my lead carefully to ensure the proper install.
Replace Heater:
- Start by removing the screws that are holding down the heater.
- Remove the clamps from the hoses and disconnect everything from the heater.
- When disconnecting the hoses with a wrench, handle with care!
- Unscrew the ground wire.
- Losen with a wrench and remove the thermistor and high limit sensor with your hand.
- Release the wires from the control board.
- Once disconnected, collect the washers and put them off to the side.
- Take a wrench to the fitting around the wire leading to the control board.
- Use a flathead to loosen the wires on the control board.
- Remove the heater and place the new one in.
- The new heater comes with washers for you to place in.
- Plug back in the thermister, they are sized to their proper input.
- When tightening with a wrench, do not overdo it or you will crack the sensors.
- Screw and replace the ground wire.
- Replace the hoses and make sure they are all the way in.
- Put the clamps on over the hoses for tightening.
- Use the screws to hold down the heater.
- Thread the cables to the control box area and snip the ends of the black and white wires.
- Twist the wires for them to fit.
- Place the black wire into the H2 terminal and the white into the H1 terminal.
- When connecting the ground wire, take out the screw in the control board.
- Wrap the wire around the screw and place it back in.
- Last step, plug in the pressure switch to the correct slot.
- Feed the wires to the side of the control box for wire organization.
- Take a volt meter and plug it into H1 and H2 to test if the heater works.
- Make sure the settings are on false, 228 volts are coming through, and that its showing 14.4 AMPs.
- Put your hot tub back together and the replacement is complete.
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