Suburban Water HeatersAvailable on request. Please use enquiry form on the contact us page, to order this product. Price May Differ from the one shown here. 20. 3L and 15. 1L models available 240V and LPG only models available Suburban SW6DERA Boiler Faster Recovery Fast recovery means more hot water. With the burner rating of 12,000 BTU (approx 4kw) and a recovery rate of 40L per hour, it's the fastest in the industry. More convenience All Suburban Water Heaters are