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The average lifespan of a boiler runs anywhere between 12 to

The average lifespan of a boiler runs anywhere between 12 to 15 years at the latest, you should replace your boiler if yours has reached 15 years old. Pub licensed water service plumbers (lwsps) must attend a mandatory refresher course once every 3 years if these licensed plumbers do not comply and fail to attend the mandatory course,.

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