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+ Pumps

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The thermostat tells the Grundfos circulator when to take hot water from the boiler and mix it through the heat exchanger to heat your pond. It simply senses the pond's temperature and switches on and off per the settings you specify.

My thermostat is set to allow four degrees drop in temperature and then the thermostat comes on and heats up four degrees. It takes two hours to lose one degree in my pond. It takes my heat exchanger system one hour to regain one degree. By allowing four degrees to drop before the unit comes back on, I have eight hours OFF and four hours on, for a total of an eight hour workday for the heater.

On the other hand, if you allow a one degree drop, you'll have two hours off and one hour on, for a twelve hour work day for the heater.

+ See the heating schematic!

If any one component of your system were to fail, the component which has failed can be replaced within 24 hours. In 24 hours, your pond's water temperature won't fall more than 20^o F. If you employ a pool heater, you will be very pleased with it's performance. You will not be pleased with your "downtime" if any part of the pool heater were to fail.

A basic heating system is composed of the following parts:

• 1. Water boiler
• 2. Grundfos or Teco whole house water circulator
• 3. Thermostat to turn the Grundfos on or off.
• 4. Heat exchanger
• 5. Pump to transfer water from pond to exchanger and back again.

We can supply you with the lowest price on the best quality pumps and exchangers.

Heating system schematic.

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