{"product_id":"la-marzocco-drehknopf-kb90","title":"La Marzocco Rotary Knob KB90 – Control Element for Steam and Water","description":"\u003cdiv class=\"ccc-mobile-wrapper\"\u003e\n\u003cstyle\u003e.ccc-mobile-wrapper{max-width:880px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#1d1d1f;line-height:1.65;font-size:17px}.ccc-mobile-wrapper h2{font-size:1.7em;line-height:1.25;margin:0 0 .6em;font-weight:700}.ccc-mobile-wrapper h3{font-size:1.3em;line-height:1.3;margin:1.8em 0 .5em;font-weight:700}.ccc-mobile-wrapper h4{font-size:1.05em;margin:1.1em 0 .2em}.ccc-mobile-wrapper p{margin:0 0 1em}.ccc-mobile-wrapper a{color:#0b6b5f;text-decoration:underline}.ccc-compare-table{width:100%;border-collapse:collapse;margin:1em 0;font-size:.97em}.ccc-compare-table th,.ccc-compare-table td{text-align:left;padding:10px 12px;border-bottom:1px solid #e3e3e6;vertical-align:top}.ccc-compare-table th{width:42%;font-weight:600;color:#3a3a3c}.ccc-roastery-tip{background:#eff6f4;border-left:4px solid #0b6b5f;border-radius:10px;padding:16px 18px;margin:1.6em 0}.ccc-return-note{background:#fdf3ef;border-left:4px solid #b4532a;border-radius:10px;padding:16px 18px;margin:1.6em 0}.ccc-faq h4{font-weight:700;margin:1.2em 0 .2em}@media(max-width:600px){.ccc-mobile-wrapper{font-size:16px}.ccc-mobile-wrapper h2{font-size:1.45em}.ccc-mobile-wrapper h3{font-size:1.18em}}\u003c\/style\u003e\n\u003ch2\u003eA knob that does what your hand tells it again\u003c\/h2\u003e\n\u003cp\u003eThe KB90 stands in businesses where a lot of work gets done, and fast. Its controls feel it: the rotary knob is gripped thousands of times, with milk residue on the fingers and often in a hurry.\u003c\/p\u003e\n\u003cp\u003eWhen the seat is worn, the knob spins freely or sits loose, and the valve can no longer be closed cleanly. Part number F.1.128 refers to the rotary knob of the KB90.\u003c\/p\u003e\n\u003ch3\u003eWhen it is due\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe knob spins freely or sits loose on the spindle.\u003c\/li\u003e\n\u003cli\u003eThe plastic is cracked, discoloured or chipped.\u003c\/li\u003e\n\u003cli\u003eThe valve no longer reaches the stop cleanly.\u003c\/li\u003e\n\u003cli\u003eAfter a valve service, the old knob is damaged.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAt a glance\u003c\/h3\u003e\n\u003ctable class=\"ccc-compare-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eRotary knob, control element\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInstallation position\u003c\/th\u003e\n\u003ctd\u003eOn the outside of the front, on the valve spindle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eLa Marzocco KB90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eScope of delivery\u003c\/th\u003e\n\u003ctd\u003eOne rotary knob. Spindle, cap and valve are not included.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003ctd\u003eF.1.128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVersion\u003c\/th\u003e\n\u003ctd\u003eSpare part to original standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eLa Marzocco\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWho it is for\u003c\/h3\u003e\n\u003cp\u003eFor businesses with a KB90 that want their front complete and easy to grip again, and for service technicians who order the knob along with the valve service.\u003c\/p\u003e\n\u003ch3\u003eWhat goes with it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en\/products\/la-marzocco-achse-dampfventil-kb90\"\u003eSpindle for the KB90 steam valve\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/products\/la-marzocco-deckel-dampfknopf-gb5-x-s-kb90\"\u003eCap for the steam knob GB5 X\/S and KB90\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/ersatzteile-la-marzocco-kb90\"\u003eAll spare parts for the KB90\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en\/collections\/serviceteile\"\u003eAll service parts\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"ccc-roastery-tip\"\u003e\n\u003cp\u003e\u003cstrong\u003eFrom our workshop\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOn KB90 machines in businesses, we check all rotary knobs for play at every service, before anyone complains. A knob costs little, a breakdown on a Saturday morning costs a lot. That is our experience from Bern and Zurich, not a manufacturer specification. On the counter next to it there is usually \u003ca href=\"\/en\/products\/nutty-delight-kaffee-blend-brasilien-indien\"\u003eNutty Delight\u003c\/a\u003e, everything else is in our \u003ca href=\"\/en\/collections\/kaffeebohnen\"\u003ecoffee beans\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ccc-return-note\"\u003e\n\u003cp\u003e\u003cstrong\u003eNo returns\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eService parts are excluded from exchange and return. They are sourced specifically for each order and cannot be resold after installation or a test fit on the machine. So before ordering, check the model, year of manufacture and serial number of your machine – or just write to us and we will clarify the fit together. Your rights in the case of defective goods remain unaffected.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ccc-faq\"\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eIs the spindle included?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eNo. Only the rotary knob is supplied. We stock the spindle separately.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eDoes the knob also fit the GB5?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eNumber F.1.128 belongs to the KB90. For other model series, send us the serial number.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eIs it the knob for steam or for water?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBoth sides of the KB90 use the same knob type. If in doubt, send us a photo of the front.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eHow is it attached?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eVia the valve spindle and the matching cap. Work on the machine when it is cold and switched off.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eCan I see the part in the showroom?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eYes. In Bern at Gerberngasse 44 and in Zurich at Hagenholzstrasse 50b.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eQuestions about the fit? Write to us at \u003ca href=\"mailto:office@coffeecoachingclub.ch\"\u003eoffice@coffeecoachingclub.ch\u003c\/a\u003e. We deliver across Switzerland and to Liechtenstein in 2-4 working days.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is the spindle included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Only the rotary knob is supplied. We stock the spindle separately.\"}},{\"@type\":\"Question\",\"name\":\"Does the knob also fit the GB5?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Number F.1.128 belongs to the KB90. For other model series, send us the serial number.\"}},{\"@type\":\"Question\",\"name\":\"Is it the knob for steam or for water?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Both sides of the KB90 use the same knob type. If in doubt, send us a photo of the front.\"}},{\"@type\":\"Question\",\"name\":\"How is it attached?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Via the valve spindle and the matching cap. Work on the machine when it is cold and switched off.\"}},{\"@type\":\"Question\",\"name\":\"Can I see the part in the showroom?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. In Bern at Gerberngasse 44 and in Zurich at Hagenholzstrasse 50b.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"La Marzocco","offers":[{"title":"Default Title","offer_id":56306319655297,"sku":"A03354","price":60.06,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/2265\/2931\/files\/A03354_1.jpg?v=1790046543","url":"https:\/\/coffeecoachingclub.ch\/en\/products\/la-marzocco-drehknopf-kb90","provider":"Coffee Coaching Club GmbH","version":"1.0","type":"link"}