Photo Info

Dimensions933 x 1400
Original file size855 KB
Image typeJPEG
Color spacesRGB
Date taken18-Sep-08 18:21
Date modified18-Sep-08 18:21
Shooting Conditions

Camera makeCanon
Camera modelCanon EOS-1Ds Mark III
Focal length50 mm
Exposure1/100 at f/1.2
FlashFired, compulsory mode
Exposure bias-1/3 EV
Exposure modeAuto
Exposure prog.Aperture priority
ISO speedISO 1250
Metering modePattern
valves to control water pre-heating and circulation

valves to control water pre-heating and circulation

The maze of valves is not actually difficult to use, if required. We can run as it is shown, with the passive solar feeding the gas-fired heater; we can run all solar, or we can run all gas-fired. There are two recirculation pumps to keep the wait times for hot water very low. One pump recirculates through the roof solar system and they all feed a mixing valve.


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