A solar water heater especially intended for use with swimming pools, and comprising an inlet header, an outlet header, a strip of flexible material comprising a plurality of longitudinally extending tubes. Each end of the strip is connected to a respective manifold comprising a first side provided with...http://www.google.com/patents/US4762116?utm_source=gb-gplus-sharePatent US4762116 - Solar water heaters especially intended for use with swimming pools
