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Solar pump stations are pre-assembled and leak-tested. Safety relief valve. Ball valves with built-in fl ow checks in return (and fl ow for dual-line models). Temperature gauges in return (and fl ow for dual-line models). Pressure gauge. Manual air vent (dual-line models only). Expansion tank connection. Connections for fl ushing and fi lling. Foam insulation. Balance/fl ow meter: ½—5 gpm scale. Pump: Grundfos UP15-100 Performance: 36 feet head / 8 gpm. Safety relief valve: 90 psi. Max. working pressure: 150 psi. Max. working temp: 360ºF. Connections: ¾" female thread. Agency approval: cULus.

The interface adapter RS-COM enables the connection of a PC to iSolar Plus controller with V Bus. Service Center Software allows the measured data to be recorded numerically in a log-data file. The adapter does not need an external power supply. Includes RS232 cable.

The Vitosol 200-F flat plate solar collector is attractive not only for its low investment cost but also for the energy it saves. With the new high efficiency Sol-Titan coating solar energy harvest is now even more efficient. Durable, corrosion resistant construction using materials such as powder coated aluminum, copper and stainless steel, as well as 3.2 mm special low-iron solar glass ensure a long service life and maintain high efficiency for years to come. Absorber surface area: 25 sq.ft / 2.3 sq.m

Model		SV2A	SH2A
Absorber Surface Area	sq. ft sq. m	25.0 2.32	25.0 2.32
Optical Efficiency	%	79.3	79.3
Collector Dimensions
Width	inches mm	41¾ 1056	93¾ 2380
Height	inches mm	93¾ 2380	41¾ 1056
Depth	inches mm	3½ 90	3½ 90
Weight	lbs kg	90.2 40.9	90.2 40.9

The new Steca TR 0502 solar thermal controller closes the gap between the already successful Steca TR 0301, TR 0301sc and TR 0603 temperature difference controllers.

With its animated graphic display and elegant design, it continues the success enjoyed by this family of controllers. This controller provides everything to operate your solar thermal system safely over a long service life. The Steca TR 0502 controller monitors and controls solar thermal systems with up to two differently oriented collector arrays and a maximum of two domestic hot water or buffer storage tanks. The large graphic display shows the animated control circuits, which allows you to view the operating statuses of each system. The clearly arranged display ensures easy operation using pictograms. Pre-programmed systems enable universal usage. The Steca TR 0502 controller has five inputs for recording temperatures or pulse values, as well as two outputs (one is speed-controlled) for controlling pumps or switching valves.