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| Heater Element Replacement, Flow-Through
Style |
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Note that this section is intended for replacement of a standard flow
through heater element that is contained within a stainless steel housing. In this particular example, we are demonstrating the
procedure as done on a 1996 model Hawkeye spa, with a Balboa-Instruments digital spa control
system.
While most spas that have stainless steel flow
through heaters are almost identical, your heater and/or control system may not be, so, this
procedure used may not work for your unit. Your particular heater element may require more
effort and technical knowledge to replace. If this displayed procedure is inconsistent with
your system design, then do not use this information to service your spa. This is page 3 of
this procedure.
Safety Warnings!
| Remove Power from the spa/hot tub BEFORE performing this
procedure. Failure to comply with this requirement, can lead to
electrical shock and/or electrocution! |
Disclaimer
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| The
instructions here are intended for general reference only. Many hot tubs and spas
are different from the one depicted here, and may require more or less
mechanical effort or knowledge in order to achieve the desired
results. |
READ FIRST BEFORE YOU
CONTINUE
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Now with the new element securely in
place, remount the heater tube on the spa control pack. Don't forget to attach the two wires
to the pressure switch, and replace the high limit sensor.
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| Reposition the spa pack in front of the plumbing
fittings and set it back in the spa. Be sure not to lose or damage the o-rings that seal the
heater flanges. |
| Using a wrench, replace the mounting
bolts. |
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| Remount the copper straps to the bus
terminals... |
| ..and reinstall the nuts on the heater
element. If there were washers underneath the strap originally, be sure to re-use
them. Don't over-tighten! |
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| Almost finished. Next all that's necessary
is to tighten the heater couplers back on the plumbing, taking proper care to keep the o-rings in
the proper place in the unions. |
| It is recommended to use Water-Lube, Magic Lube,
or other premium quality lubricant on the o-rings and a little on the union
threads. |
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Now we need to pull
open BOTH of the cut-off valves to let water back into the heater system. Carefully look at
all areas to ensure that there is no leakage. |
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| With all of that done, the preferred
method is to re-inspect all connections and then re-energize power to the spa. Onces the spa
is back on, I double check everything to ensure that there are no leaks in the system with the pump
running in high speed mode. Never touch anything with your hands under here with the power
turned on. Once I've finished
inspecting for leaks, I turn the spa power off, put the cover back on the spa pack, and close
up the spa.
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