{"product_id":"whale-expanse-gas-electric-water-heater","title":"Whale Expanse 8L Gas \u0026 Electric Water Heater | Underfloor or Onboard","description":"\u003cp\u003e\u003cstrong\u003eEight litres of hot water on gas, on hook-up, or on both at once for the fastest heat-up.\u003c\/strong\u003e The Expanse comes in two versions: an underfloor model that frees up cupboard space, and an onboard model for fitting inside a locker.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas, electric or combined\u003c\/strong\u003e: the element runs at 750W, which suits a limited hook-up supply, or 1,500W for speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.48A at 12V\u003c\/strong\u003e while running and 0.03A on standby\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWinter protection mode\u003c\/strong\u003e that you switch on to guard against frost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal gas connections\u003c\/strong\u003e, so no extra cut-outs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePolystyrene insulation\u003c\/strong\u003e to keep water hot for longer, and no removable flue cover to maintain\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUnderfloor or onboard?\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eunderfloor\u003c\/strong\u003e version (180mm tall) mounts beneath the vehicle and flues downwards, so it takes up no interior space. The \u003cstrong\u003eonboard\u003c\/strong\u003e version (229mm tall, 5.4kg) sits inside a cupboard or locker. Both are 262mm wide and 522mm long.\u003c\/p\u003e\u003ch3\u003ePowering it\u003c\/h3\u003e\u003cp\u003eOn gas the heater uses 0.48A from the leisure battery, which barely registers on a 100Ah lithium bank. The electric element needs 230V: 750W on the low setting or 1,500W on high. That's hook-up territory; running it from an inverter drains a battery quickly. Size your system in the \u003ca href=\"https:\/\/roamwired.com\/calculator\"\u003eRoam Wired calculator\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eWhat's in the kit\u003c\/h3\u003e\u003cp\u003eThe 8-litre heater, a control panel with 3.5m cable, a 1.25m flue, three flue brackets and an end flue bracket. It connects to your LPG supply and water system, so have it fitted by a qualified installer.\u003c\/p\u003e","brand":"Whale","offers":[{"title":"Underfloor","offer_id":51416051482791,"sku":"SETWL8212A","price":619.0,"currency_code":"GBP","in_stock":true},{"title":"Onboard","offer_id":51416051515559,"sku":"SETWL8202A","price":649.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/1158\/3143\/files\/SETWL8212A_fullsize.webp?v=1790308262","url":"https:\/\/shop.roamwired.com\/products\/whale-expanse-gas-electric-water-heater","provider":"Roam Wired Shop","version":"1.0","type":"link"}