{"product_id":"quick-nautic-pressure-relief-valve-1-2-bsp-6-bar","title":"Quick Nautic Pressure Relief Valve 1\/2\" BSP 6 Bar","description":"\u003cp\u003eA genuine replacement safety valve for Quick, Sigmar, and B3 marine water heaters and calorifiers. This brass, chrome-plated valve protects your onboard hot water system from overpressure — an essential safety component that should be inspected and replaced regularly as part of routine maintenance.\u003c\/p\u003e\n\u003cp\u003eThe integrated non-return function also allows you to drain the water heater during the off-season, making winterisation straightforward.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFitting: 1\/2\" BSP male thread\u003c\/li\u003e\n\u003cli\u003ePressure Rating: 6–7 bar\u003c\/li\u003e\n\u003cli\u003eLength: approx. 4.5 cm (1-3\/4\")\u003c\/li\u003e\n\u003cli\u003eMaterial: Brass, chrome-plated\u003c\/li\u003e\n\u003cli\u003eIncludes non-return \/ drain function\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatible With\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuick Nautic marine water heaters\u003c\/li\u003e\n\u003cli\u003eSigmar marine calorifiers\u003c\/li\u003e\n\u003cli\u003eB3 marine water heaters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDon't wait for a failure at sea — a faulty pressure relief valve can cause serious damage to your calorifier and plumbing system. Keep a spare aboard or replace at your next service.\u003c\/p\u003e","brand":"Harrold Marine","offers":[{"title":"Default Title","offer_id":49987723788536,"sku":"FVSLVS126B00A00","price":79.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0068\/6656\/7225\/files\/Screenshot2026-07-15at12.19.42pm.png?v=1784082061","url":"https:\/\/www.bosunslocker.com.au\/products\/quick-nautic-pressure-relief-valve-1-2-bsp-6-bar","provider":"Bosuns Boat","version":"1.0","type":"link"}