300L Indirect Pumped Solar Geyser Kit with Evacuated-Tube Collectors. Solar water-heating kit for a professionally designed installation. 300L indirect pumped solar-water-heating kit with a geyser, two 15-tube evacuated collectors and Geyserwise Max 12V pump kit. Includes listed probe, valve and high-temperature air-release accessories. Requires a correctly designed heat-transfer circuit. Installation and site-specific plumbing are separate.