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In my house, if I turn on the hot tap, no water comes. If I leave the hot tap on, and then quickly turn the cold tap on and off, I hear a "thump" from the pipes and the hot tap starts flowing. This normally fixes it for a few hours, and then the issue comes back. This issue happens at many of...

I would like to verify that my Grundfos Selectric UPS 15-50 Pump is operating correctly. (n.b. I have already confirmed that it hasn't seized, by manually turning the pump through the air vent hole with a screwdriver.) Are the below steps valid: Cut mains power to house. Open pump to reveal...

I have an Ideal Classic FF boiler. When I request hot water for taps or radiators it should fire. I'm trying to work out how it knows to do this. Referring to the documentation and inspecting the boiler, it looks like it has just three external connections: Mains power in. Water in. Water out...

I have a Honeywell T6360 thermostat that I suspect is failing and would like to confirm that before I replace it. (Symptom: radiators not turning on). Looking at the wiring diagram, would I be correct in thinking if I short pins 1 and 3 it would simulate the effect of the temperature being high...

I have a slow leak from the neck of my tap as shown in this video: What are my options to repair this, or does the whole tap need replacing?

I have a Honeywell T6360 thermostat and ST6450 digital programmer. Sometimes I notice that the radiators and house are cold. I go and check the HEATING red LED on the ST6450 programmer and it is lit, indicating that the radiators and house should be warm. I then check the thermostat and if I...

I noticed a dripping from a pipe on the side of the house outside, once per second. Traced it back to the tundish in my boiler cupboard. (between 1 and 6 below). Another photo: https://kuula.co/share/7P9V6?fs=1&vr=0&zoom=1&thumbs=1&chromeless=0&logo=0 Looks like I need a plumber to come...

I don't know the first thing about plumbing! I've taken a photo of the system in my house and labeled it up: http://www.asktoby.com/miscimages/plumbing.jpg 1: Honeywell thermostat, adjustable. 2: Heatrae Sadia Megaflo Thermostat 3: Thermal cutout 4: Honeywell motorised valve 5...