We have just moved into a rental property and have discovered that the bath and shower water doesn't get above a luke warm temperature! I rang the landlord and asked if there was a problem and asked if he could possible send a plumber out to have a look. He informs me that it is some kind of safety feature in the taps to avoid burns, I said I do not have very young children and could it please be removed, he refused. So am I being unreasonable to not want to bathe and shower in tepid water for the foreseeable future and no more red hot baths 
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