Solar Thermal Home Heating Systems

Solar Thermal Home Heating Systems

I Am Installing A Drainback Solar Thermal System How Do I Facilitate Proper Drainback?

I am installing a drainback solar thermal system how do I facilitate proper drainback? In order for your system to "drainback" when the pump shuts off your collectors and piping must be sloped at 1/4" per 12" of run.  Be aware that visually your collectors will not be parallel with your roof ridge.

How can I connect an air compressor to my pump station to pressure test my solar thermal system for leaks?

How can I connect an air compressor to my pump station to pressure test my solar thermal system for leaks? Our pump station’s fill valve has GHT hose threads on the outside. You can easily make an adaptor using the following three fittings, which can be purchased at your local hardware store or plumbing supply. Schrader valve x ¼” male NPT Reducing...

How should I test my solar thermal system for leaks?

How should I test my solar thermal system for leaks? After a solar thermal system has been installed, it should be tested for leaks before it is charged with heat transfer fluid. Leak testing should be done with air pressure. Air pressure can detect even small leaks that would be difficult to detect with liquid, because the liquid would evaporate...