{"product_id":"e61-upper-group-mushroom-water-inlet-valve-spring","title":"E61 Upper Group Mushroom\/Water Inlet Valve Spring","description":"\u003cp\u003e\u003cstrong\u003eE61 Water Inlet Valve Spring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis spring provides the return tension for the upper mushroom\/water inlet valve in an E61 group head, and it's the same spring used in Pavoni manual-fill water inlet valves (listed there as VBM_61). A weak or fatigued spring is a common, overlooked cause of a group head that won't fully shut off between shots.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e13 x 42 mm\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBILITY\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eFits: E61 group head water inlet\/upper mushroom valve; Pavoni manual-fill water inlet valve (as VBM_61)\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSTALLATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRequires opening the group head to access the upper mushroom assembly, a job for someone comfortable with basic E61 teardown.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRO TIPS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eIf the group is weeping continuously even with a good o-ring and gasket, don't overlook the spring, a collapsed or weak spring lets the valve seat imperfectly under water pressure even when every seal is brand new.\u003c\/li\u003e\u003c\/ul\u003e","brand":"Espresso Parts","offers":[{"title":"Default Title","offer_id":37553627070651,"sku":"F_208","price":1.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0511\/8282\/9755\/products\/f_208_2_24ead46c-8842-4f83-b8b2-b4bd4a24e8af.jpg?v=1610086868","url":"https:\/\/www.espressoparts.mom\/products\/e61-upper-group-mushroom-water-inlet-valve-spring","provider":"Espresso Parts","version":"1.0","type":"link"}