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COLD WEATHER OPERATION
IMPORTANT FREEZE INFORMATION
MODERATE CLIMATE: Heater operation can contin-
ue during short-term cold spells. When temperatures
are between 0° and 32°F, flow (continuous pump
operation) must be maintained.
CAUTION: Do not use the heater to maintain water
temperatures just above freezing or for freeze protec-
tion. When heater is used during freezing weather,
care must be taken to avoid freeze-ups. Continuous
pump operation is a must. Additional protection may
be required.
The heater is not warranted against
freeze-ups.
COLD CLIMATE: Prolonged operation with water
temperatures below 50°F is not recommended.
When starting the heater with water temperatures
below 50°F, operate the heater continuously until
higher temperatures are reached.
heater for prolonged periods with pool water below
50°F can seriously damage the heater, and is not cov-
ered by the warranty.
For cold climate areas, please follow the winterizing
procedures listed.
WINTERIZING THE POOL & SPA HEATER
Heaters installed outdoors in freezing climate areas
may be shut down for the winter. Observe the follow-
ing procedure for winterizing the heater:
1. Turn off gas valve, manual gas valve, and electri-
cal supply to the heater.
2. Open drain valve located on the inlet/outlet head-
er, (under water pipes).
exchanger inspection panel on the side opposite
water piping to gain access to the drain plug on the
return header. Open drain plug on return header.
Operating the
8
Remove the heat
DRAIN
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