{"product_id":"pump-union-25mm-loose-nut-x-20mm-male-adaptor","title":"25mm Loose Nut × 20mm Male Pump Union — Adaptor for Fitting a 25mm Pump to 20mm Pipework","description":"\u003cp\u003e\u003cstrong\u003eEuro-style pump union, 25mm loose nut × 20mm male thread.\u003c\/strong\u003e Sold individually.\u003c\/p\u003e\n\u003ch3\u003eWhat it solves\u003c\/h3\u003e\n\u003cp\u003eMost modern replacement circulating pumps come with 25mm (Rp 1) unions, while a lot of older Australian solar hot water pipework is 20mm. This union bridges the two, so you can fit a current pump without re-piping.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePump side: 25mm loose nut, Euro style\u003c\/li\u003e\n\u003cli\u003ePipe side: 20mm male thread\u003c\/li\u003e\n\u003cli\u003eQuantity: 1 union\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow many do I need?\u003c\/h3\u003e\n\u003cp\u003eA pump has a union at each end, so order \u003cstrong\u003etwo\u003c\/strong\u003e for a complete changeover unless only one side needs adapting.\u003c\/p\u003e\n\u003ch3\u003eFitting note\u003c\/h3\u003e\n\u003cp\u003eThe union seals on its washer, not the thread — make sure the washer is present and seated. Do not over-tighten; the loose nut only needs to pull the faces together.\u003c\/p\u003e\n\u003cp\u003eNot sure what your pipework is? Measure the existing thread or send us a photo and we will confirm before you order.\u003c\/p\u003e","brand":"Solar Hot Water Parts","offers":[{"title":"Default Title","offer_id":39472467280023,"sku":"SHWP0292","price":20.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0534\/5017\/8711\/products\/25mm_20loose_20nut_20x_2020mm_20solar_20hot_20water_20pump_20union_13c168ee-6247-4b51-94e9-663318f4af99.gif?v=1629166318","url":"https:\/\/solarhotwaterparts.com.au\/products\/pump-union-25mm-loose-nut-x-20mm-male-adaptor","provider":"Solar Hot Water Parts","version":"1.0","type":"link"}