The 18Ri is Worcester’s second smallest traditional boiler, but its small size doesn’t mean this boiler lacks power or efficiency.

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In fact the SAP (seasonal efficiency rating) has come in at 90.1% so in that regard it’s one of the leading boilers on the market today. If you’re not 100% sure which size boiler would best suit your home’s heat demands and hot water usage then contact us today so we can help you calculate the correct size. This is a stylish, compact, efficient and reliable boiler and a very popular model with Hassle Free Boilers’ customers.