{"product_id":"zilmet-cal-pro-3-4-bsp-heating-expansion-vessel-35l-to-400l","title":"Zilmet CAL-PRO 3\/4\" BSP Heating Expansion Vessel 35L to 400L","description":"\u003ch2\u003eZilmet CAL-PRO 3\/4\" BSP Heating Expansion Vessel 35L to 400L\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eZilmet CAL-PRO heating expansion vessel\u003c\/strong\u003e is designed for use in sealed heating systems, helping to absorb the increase in water volume as the system temperature rises. This helps maintain stable system pressure and reduces unnecessary stress on boilers, pumps and other heating components.\u003c\/p\u003e\n\u003cp\u003eThis product page covers the larger \u003cstrong\u003e35 litre to 400 litre\u003c\/strong\u003e CAL-PRO vessels, all supplied with \u003cstrong\u003e3\/4\" BSP connections\u003c\/strong\u003e. The 35L and 50L models are supplied with feet, while the larger sizes are suitable for floor-standing heating system installations.\u003c\/p\u003e\n\u003cp\u003eAvailable in a range of sizes from \u003cstrong\u003e35 litres to 400 litres\u003c\/strong\u003e, the correct vessel size can be selected from the dropdown menu before ordering. Please check the selected size carefully, as dimensions vary depending on the vessel capacity.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for sealed heating systems\u003c\/li\u003e\n\u003cli\u003eAvailable from 35L to 400L\u003c\/li\u003e\n\u003cli\u003e3\/4\" BSP connection across this range\u003c\/li\u003e\n\u003cli\u003e35L and 50L models supplied with feet\u003c\/li\u003e\n\u003cli\u003eHelps maintain stable system pressure\u003c\/li\u003e\n\u003cli\u003eSuitable for domestic and commercial heating applications\u003c\/li\u003e\n\u003cli\u003eManufactured by Zilmet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Sizes \u0026amp; Dimensions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e35L\u003c\/strong\u003e – 404mm diameter x 387mm height – SKU 1300003503\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e50L\u003c\/strong\u003e – 407mm diameter x 507mm height – SKU 1300005003\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e80L\u003c\/strong\u003e – 450mm diameter x 608mm height – SKU 1300008000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e105L\u003c\/strong\u003e – 500mm diameter x 665mm height – SKU 1300010500\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e150L\u003c\/strong\u003e – 500mm diameter x 897mm height – SKU 1300015000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e200L\u003c\/strong\u003e – 600mm diameter x 812mm height – SKU 1300020000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e250L\u003c\/strong\u003e – 630mm diameter x 957mm height – SKU 1300025000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300L\u003c\/strong\u003e – 630mm diameter x 1105mm height – SKU 1300030000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e400L\u003c\/strong\u003e – 630mm diameter x 1450mm height – SKU 1300040000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSealed central heating systems\u003c\/li\u003e\n\u003cli\u003eBoiler heating circuits\u003c\/li\u003e\n\u003cli\u003eCommercial plant rooms\u003c\/li\u003e\n\u003cli\u003eLarger domestic heating systems\u003c\/li\u003e\n\u003cli\u003eReplacement heating expansion vessels\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLooking for a Different CAL-PRO Vessel?\u003c\/h3\u003e\n\u003cp\u003eThis page covers the \u003cstrong\u003eZilmet CAL-PRO 3\/4\" BSP heating expansion vessels\u003c\/strong\u003e, available from 35L to 400L.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eView the \u003ca href=\"\/products\/zilmet-cal-pro-3-4-bsp-heating-expansion-vessel-with-bracket-4l-to-24l\"\u003e \u003cstrong\u003eZilmet CAL-PRO 3\/4\" BSP heating expansion vessels with bracket from 4L to 24L \u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eView the \u003ca href=\"\/products\/zilmet-cal-pro-1-bsp-heating-expansion-vessel-500l-to-900l\"\u003e \u003cstrong\u003eZilmet CAL-PRO 1\" BSP heating expansion vessels from 500L to 900L \u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose a Zilmet CAL-PRO Expansion Vessel?\u003c\/h3\u003e\n\u003cp\u003eZilmet CAL-PRO expansion vessels are a reliable choice for closed heating systems where pressure control, durability and correct system protection are important. With a broad range of capacities available, this range gives installers and specifiers flexible options for different system sizes and plant room requirements.\u003c\/p\u003e","brand":"Zilmet UK","offers":[{"title":"Zilmet Cal Pro 35L Heating Vessel 3\/4\" BSP (Z1-302035CP)","offer_id":41639676084410,"sku":"1300003503","price":72.24,"currency_code":"GBP","in_stock":true},{"title":"Zilmet Cal Pro 50L Heating Vessel 3\/4\" BSP (Z1-302050CP)","offer_id":41639676117178,"sku":"1300005003","price":87.67,"currency_code":"GBP","in_stock":true},{"title":"Zilmet Cal Pro 80L Heating Vessel 3\/4\" BSP (Z1-302080)","offer_id":41639676149946,"sku":"1300008000","price":143.07,"currency_code":"GBP","in_stock":true},{"title":"Zilmet Cal Pro 105L Heating Vessel 3\/4\" BSP (Z1-302105)","offer_id":41639676182714,"sku":"1300010500","price":193.43,"currency_code":"GBP","in_stock":true},{"title":"Zilmet Cal Pro 150L Heating Vessel 3\/4\" BSP (Z1-302150)","offer_id":41639676215482,"sku":"1300015000","price":240.43,"currency_code":"GBP","in_stock":true},{"title":"Zilmet Cal Pro 200L Heating Vessel 3\/4\" BSP (Z1-302200)","offer_id":41639676248250,"sku":"1300020000","price":324.08,"currency_code":"GBP","in_stock":true},{"title":"Zilmet Cal Pro 250L Heating Vessel 3\/4\" BSP (Z1-302250)","offer_id":41639676281018,"sku":"1300025000","price":418.17,"currency_code":"GBP","in_stock":true},{"title":"Zilmet Cal Pro 300L Heating Vessel 3\/4\" BSP (Z1-302300)","offer_id":41639676313786,"sku":"1300030000","price":370.37,"currency_code":"GBP","in_stock":true},{"title":"Zilmet Cal Pro 400L Heating Vessel 3\/4\" BSP (Z1-302400)","offer_id":41639676346554,"sku":"1300040000","price":490.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/4108\/2554\/products\/1300000400.png?v=1658317435","url":"https:\/\/beetbg.com\/products\/zilmet-cal-pro-3-4-bsp-heating-expansion-vessel-35l-to-400l","provider":"BEE - The SMART Heating Merchants","version":"1.0","type":"link"}