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Union Connection Set for 1" Male Threads

The Steca TA OP1 overvoltage protection unit is a connection socket in a splash-proof IP65 protective case and serves to protect the collector sensor against local lightning strikes and externally induced voltage spikes.

 A varistor protective diode protects against atmospheric overvoltages that can lead to the destruction of the collector sensor. The use of the Steca TA OP1 is generally recommended for extra protection of the collector sensor in any type of solar thermal system. In addition, the simple operation of the spring terminals allows rapid and simple installation of the collector sensors using a sensor extension cable.

The iSolar™ BX is a multi-functional temperature differential controller with add-on system functions for use in a wide variety of solar thermal heating applications. iSolar™ BX is equipped with four relay outputs; three triac pump speed control relays and one standard relay. These outputs include two pulse width modulation (PWM) outputs that enable energy conservation measures for high-effi ciency direct current (DC) pumps. The controller is equipped with fi ve Pt1000 sensor inputs, two analog Grundfos sensor inputs, and one impulse fl ow meter input. Twenty six system confi guration options are predefi ned for control of a standard solar water heating system, drainback systems, supplemental space heating, multiple storage tanks, heat dump and storage tank booster heating.

The Vitosol 200-T is a high-performance vacuum tube solar collector that is ideal for DHW/combination space heating systems with versatile horizontal or vertical installation on roofs, walls or freestanding. The Vitosol 200-T is ideal for incorpation into any architectural design. Absorber surface area: 22 and 33 sq.ft / 2 and 3 sq.m

Model			SD2A 2m²	SD2A 3m²
No. of tubes			20	30
Gross area		sq. ft sq. m	30.98 2.88	46.5 4.32
Absorber surface area		sq. ft sq. m	21.6 2.01	32.5 3.02
Total dimensions
Width		inches mm	55¾ 1418	83¾ 2127
Height		inches mm	80½ 2043	80½ 2043
Depth		inches mm	5½ 143	5½ 143
Weight		lbs kg	134.5 61	208 94.6

The iSolar™ 257 series are multi—functional temperature differential controllers that provide complete control of the solar thermal system for safe and long—lasting operation. The microprocessor based controller monitors and controls thermal solar systems by means of a collector sensor and a storage tank sensor. The controllers also perform important system monitoring and safety functions. The system parameters and measured values can be changed and viewed on the large LCD display. The controller is equipped for up to four temperature sensor inputs and one or two 120 VAC outputs (some models) for activating the solar circuit pump and second 120 VAC output for activating a valve or second pump. The controller is additionally equipped with VBus® for two-way communication between modules, PC’s or data loggers.

The Vitosol 100-F is an economy series flat plate collector that offers high performance and quality construction at an affordable price. Ideal for any solar thermal application especially domestic hot water (DHW) or pool heating. Absorber surface area: 25 sq.ft / 2.3 sq.m

Model		SV1	SH1
Installation		Vertical	Horizontal
Absorber Surface Area	sq. ft sq. m	25.0 2.32	25.0 2.32
Optical Efficiency	%	74.3	74.3
Collector Dimensions
Width	inches mm	41¾ 1056	93¾ 2380
Height	inches mm	93¾ 2380	41¾ 1056
Depth	inches mm	2¾ 72	2¾ 72
Weight	lbs kg	95 43	95 43

Caleffi Series NA266 1" SolarFlex Direct to Top or Bottom Kit

Our STR 1 includes everything that is needed for a thermal solar system. Apart from the controller for temperature differences an electronically controlled limitation of the storing temperature has been built in. Of course, it is possible to adjust hysteresis, temperature difference and max. storing temperature individually. By using the hand-gear control you can adjust the pump for testing or other operations. A display indicating the temperature informs you about the collector temperature to be stored. Another very important point was the breakdown safety switch which does not lower your solar system’s performance since it is very low in self-consumption. The regulator is supplied including a collector temperature sensor and a storage temperature sensor in the lower storage tank area for limiting the maximum storage temperature.

• Individually adjustable switch-on temperature difference, switch-off hysteresis and maximum storing temperature
• Display unit for the storing and collector temperature
• Temperature sensor with error flag
• Storing temperature limitation
• Easiest assembly and handling
• Coordinate safety concept
• Hand-gear control
• Status display

Double Nipple for 1" SolarFlex Pipe with 1.25"x1.25" Male Thread