A central heating system that transfers heat from a boiler to each room through a fluid filled plumbing system.

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100 views

Banging behind wall when heat comes on

In the past day I started hearing a banging behind the wall of my house it seems when the heat comes on. We have water heated baseboards. We lived in this house nearly two years and never experienced ...
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74 views

How to stop central heating system from leaking

Our central heating system is leaking a bit of water. The system is a Ferolli Megadens 5, it heats water for both the central heating system and the shower/tap. There are several pipes below the ...
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42 views

Ghost flows in some zones

After installing a new Mod/com boiler and replacing my zone valves with circulator pumps for each of five zones, I am getting ghost flows in three of the five zones. Thank you for any help you can ...
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793 views

Water not circulating in one radiator on a hot water boiler

My boiler has 4 zones. Zone 1 is the bottom floor. There are two radiators in zone 1. I am replacing one of them, an old baseboard radiator, with a cast iron with similar BTU. We hooked up the new ...