combi oil boiler

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    Hive Installation - Grant Oil Boiler, Potterton Programmer

    Hello, I’m hoping someone may be able to help me. I’ve moved to a house in a rural location where oil powers the heating and hot water. It’s a Grant boiler with Potterton control. I note that Hive suggests getting it installed by an oil boiler professional to check that it’s actually...
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    Grant Vortex Combi Oil Boiler

    Hello. Our current external Grant Vortex Combi Oil Boiler has a problem with the initial hot water supply throughout the day. In summary: - It takes about 5 minutes of running the hot tap until we get hot water. - This is the same whether the heating is on or not and regardless of time of...