{"product_id":"arco-timeswitch-mw-d-01-0020116882","title":"Arco Timeswitch MW-D-01 0020116882","description":"\u003ch1\u003e\u003cspan\u003eArco Timeswitch MW-D-01 Boiler Timer 0020116882\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch2\u003e\u003cspan\u003eProduct Overview\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eArco Timeswitch MW-D-01 (Part Number: 0020116882)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a mechanical timer designed for controlling programmed heating periods within an appropriate boiler control system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePart number \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e0020116882\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is also documented by Vaillant as the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003etimeSWITCH 150 24-Hour Analogue Timer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe timeswitch provides a manual clock dial and adjustable time segments, allowing heating operation to follow a selected daily schedule.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eℹ️ \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eProduct Condition:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis product may be available in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNew, Refurbished, or Compatible\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e condition. Please select the required option when ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eTechnical Insight \u0026amp; Common Failure Symptoms\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe timeswitch is a mechanical, 24-hour heating programmer that allows users to select timed heating periods using an analogue clock dial.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe timeSWITCH 150 design incorporates adjustable timer segments and an operating mode selector for controlling heating operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePossible symptoms that may require investigation of the timeswitch or associated controls include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTimer clock failing to operate correctly\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHeating not switching on at programmed times\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHeating remaining on or off unexpectedly\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eTimer dial failing to advance correctly\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eIntermittent response to programmed settings\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOperating mode selector not functioning as expected\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThese symptoms do \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003enot necessarily confirm a faulty timeswitch\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, as similar issues can result from incorrect timer settings, electrical connections or other heating control components. Correct diagnosis should be carried out before replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eSafety Advice\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eBoiler timeswitches and electrical control components should only be removed, installed or repaired by a \u003c\/span\u003e\u003c\/em\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan\u003esuitably qualified and competent heating engineer or electrical professional\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003cem\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eAlways isolate the appliance's electrical supply before installation or removal and follow the manufacturer's instructions. All required electrical and operational safety checks must be completed before the appliance is returned to service.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Arco","offers":[{"title":"New \/ New Other","offer_id":50407757611111,"sku":"N9571","price":39.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/0923\/8887\/files\/edited-photo_22.jpg?v=1791553216","url":"https:\/\/nationalboilerspares.co.uk\/products\/arco-timeswitch-mw-d-01-0020116882","provider":"National Boiler Spares","version":"1.0","type":"link"}