Do I really need a pump for a solar water heater?

May 5, 2011 | Filed under: Self Reliance | Posted by:

solar water heater
Image by AIDG
XelaTeco does installations of evacuated tube solar hot water heaters.

Question by matt: Do I really need a pump for a solar water heater?
I plan on building a PVC solar water heater to connect with the water heater up stairs. The solar heater will sit lower than it. Would I still need a pump?

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