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K500 Auto Hydroheater – 3.5 Rev: 8-2016
© Hydro-Thermal Corp., 2014. All rights reserved
Hydroheater, Solaris, Jetcooker, EZ Heater and K5 Autopilot are trademarks of Hydro-Thermal Corp, and are protected under
U.S. and Canadian patents.
Note - If your Hydroheater head is equipped with two socket head cap screws
(these are jack screws to assist in disassembly of the head during
maintenance) near the hex nuts, these may be turned to loosen the head for
ease of disassembly if the head is stuck to the body.
9. Take off the head nuts.
Figure 16: Actuator Mount to Head
10. Remove the stem out of the head by hand if possible, but a press may be
needed.
11. Remove the snap ring and then both seals from the body side of the head and
the packing material from the actuator end.
Figure 17: Body Side of Head
12. Inspect and clean out the stem plug bore in the head. Remove old O-Ring
between head and body.
loosened or removed to
remove bolts
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