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VITODENS <strong>200</strong>-WBoilerAccessories & ControlsBoiler accessories (contd.)Heating circuit and DHW cylinder (only for single boiler 45 and 60kW)Part NumberConnection set for heating circuit without circulation pump - comprising: 7245 738• Tee with ball valve• Fill & drain valve• Safety valve• Straight-through gas valve with integral thermally activated safety shut off valveSpare pump plug set (3 pieces) for the use of third party pumps has to be ordered separately 7415 057Connection set for heating circuit with circulation pump - comprising:• Tee with ball valve• Check valve• Fill & drain valve• Built-in non return valve• Thermal insulation• Straight-through gas valve with integral thermally activated safety shut off valve• Safety valveand• Circulation pump (3-stage),Wilo typeVIRS-25/7 BUS 3 7247 341or• Circulation pump (variable speed),Wilo typeVIRS-25/7 BUS 7247 374Connection set for DHW cylinder - comprising: Z006 183• Ball valve• Check valve• Built-in non return valve• Cylinder primary pump,Wilo, typeVIRS-25/6-3• Cylinder temperature sensor (3.75m long)For integration into thermal insulation of connection set for heating circuit with circulation pumpBall valve (G 1 1 /4”)Required if the heating circuit pump or the cylinder primary pump is to be installed without draining the heating system 7247 373Heating circuit and DHW cylinder (only for single boiler 80 and 105kW)Part NumberConnection set for heating circuit with circulation pump and low loss header - comprising: Z006 144• Tee with ball valve• Check valve• Fill & drain valve• Safety valve• Straight-through gas valve with integral thermally activated safety shut off valve• Ball valve (2 pce)• Circulation pump (3-stage),Wilo typeVIRS-25/10-3 BUS• Low loss header• Thermal insulation (connection set and low loss header)• Immersion temperature sensor for the low loss headerBrackets for low loss header(order separately)• for floor mounting 7346 787• for wall mounting 7346 788Connection set for DHW cylinder - comprising: 7348 934• Cylinder flow and return• Fittings G 1 1 /4”• Cylinder temperature sensor10
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