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STEPS FOR A SUCCESFULL INSTALLATION
1.
Set spa temperature to off and turn off spas circuit breaker. Using a voltmeter, confirm the electrical power has been
disconnected before performing this service.
HELPFUL HINT:
Before removing the existing heater, we recommend you take photos and notes of the heater
position, sensor locations and plumbing connections for reference. Installation errors can cause operational
problems and/or damage the heater voiding the product warranty
2.
Carefully disconnect cords, high limit sensor, bonding wire and plumbing from the existing heater. Remove heater
from the spa and clean the surface of the equipment base
3.
Place new heater in the same position and mount to the equipment base using the 4 screws provided. It’s important
to secure the heater so it will not vibrate or fall over
4.
Reconnect plumbing using steel clamps and inspect tubing for kinks. This heater was designed for water flow
entering the bottom and exiting the top (Ref diagram)
5.
Re-connect bare copper bonding wire to external bonding lug, then plug in main power and pressure switch cords.
NOTE:
HQ model heaters also replace the 0301ET series without pressure switch listed on the replacement chart.
When replacing these models, simply coil and store the unneeded pressure switch cord alongside the heater. This
cord has no live electricity when not connected to the spa circuit board
