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Does Anyone knows who this heater works? : r/galway
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User manual Horstmann Economy 7 (English - 2 pages)
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Horstmann Economy 7 Quartz Electro-mechanical Water heating
Horstmann (Secure) Economy 7 Quartz Timer
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Secure (Horstmann) Electronic 7+ Immersion Heater Control
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Can someone explain to me how this works, and what does the light mean? (the reception desk was useless) : r/Dublin
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Horstmann Economy 7 quartz not heating on timer | DIYnot Forums
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