"Generally, a properly maintained boiler-whether gas, electric, or oil-has a lifespan of 10 to 15 years. Combi boilers from reliable brands like Vaillant and Worcester Bosch can often reach the 15-year mark when looked after. Smaller units may show wear sooner, especially without regular maintenance."
"An oil boiler can last between 20 and 30 years, while electric boilers will last between 15 and 25 years as they don't typically need as much maintenance as gas boilers. You can expect modern combi boilers to last for around 15 years, or potentially even longer if you get a good quality model and service it regularly."
"Brands like Worcester, Bosch and Valliant all offer quality products with long lifespans."
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