{"product_id":"silicone-rubber-roof-sensor-grommet","title":"Silicone Rubber Roof Sensor Grommet — Universal Seal for Solar Roof Sensor Pockets","description":"\u003cp\u003e\u003cstrong\u003eSilicone rubber grommet for a solar hot water roof sensor.\u003c\/strong\u003e Sold individually.\u003c\/p\u003e\n\u003cp\u003eThis is the small seal where the sensor lead enters the sensor pocket on the collector. Silicone rather than standard rubber, because it sits in the hottest part of the system and ordinary rubber hardens and splits there.\u003c\/p\u003e\n\u003ch3\u003eWhy it matters\u003c\/h3\u003e\n\u003cp\u003eA perished grommet lets water into the sensor pocket. The sensor then corrodes, starts reading wrong, and the controller either runs the pump when it should not or fails to run it at all. It is a cheap part that protects a much dearer one.\u003c\/p\u003e\n\u003ch3\u003eWhen to replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAny time you pull a roof sensor out\u003c\/li\u003e\n\u003cli\u003eGrommet gone hard, cracked or perished\u003c\/li\u003e\n\u003cli\u003eMoisture found in the sensor pocket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitting note\u003c\/h3\u003e\n\u003cp\u003eSeat the grommet fully so it grips the lead all the way round. Lubricate with water only — petroleum-based grease degrades silicone.\u003c\/p\u003e\n\u003cp\u003eNot sure it is the right size? Send us a photo of your sensor and pocket and we will confirm before you order.\u003c\/p\u003e","brand":"Solar Hot Water Parts","offers":[{"title":"Default Title","offer_id":39472466624663,"sku":"SHWP0261","price":7.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0534\/5017\/8711\/products\/Silicone_20Grommet_eecafeab-bd29-4fce-a038-837bb3120402.jpg?v=1629088637","url":"https:\/\/solarhotwaterparts.com.au\/products\/silicone-rubber-roof-sensor-grommet","provider":"Solar Hot Water Parts","version":"1.0","type":"link"}