Radiators hot but hot water from taps luke warm

I have fitted a new sink in the kitchen, and had to drain the hot water tank as there was no shut off valve downstairs, when I'd finished and turned the water back on I've got nothing coming out of any of the hot taps in the house, I'm assuming that this is an air lock or blockage, but don't no how...

I have a hot water heating system with radiators, and I want to replace the radiators in the upstairs bathroom and bedrooms (2) with hot water baseboards. Can radiators and baseboards be mixed and if so, how do I determine the size of the baseboards?

Hi there I hope someone can help me. I have a problem with my hot water, the heating is on and the radiators are roasting hot but I have no hot water if someone could help I would really appreciate it. Thanks Jennifer

Please Help, Does anyone know what the problem is with my central heating system. The radiators in the house are warm, but I have not been calling for central heating, only water. Radiators are warm both upstairs and down. I have a gas fired boiler down stairs in the kitchen and hot water...

I purchased a condo (efficiency) that was converted from a motel. I 've had and have problems with hot water in taps. The unit is old and the feed pipes from the hot/cold water supplies are not accessible. Last year all I got was luke warm water from the shower and two taps in the unit. I had a...