4 votes
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How to block baseboard (water heated)?

Since this seems to be an ongoing problem for you, I might suggest a somewhat more formal approach to it. For instance, use magnets to attach toweling to the top of the radiator shell and let the ...
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  • 140k
4 votes
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Broken Hot Water Circulating Pump - Shouldn't I still have hot water in showers eventually?

Pressure from the cold side is higher than from the hot side, so cold water is backfeeding through the circulator and on to the hot side to the faucets in use. Close the shutoffs you have for the ...
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4 votes
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What is the purpose of this disconnected copper pipe next to my baseboard heating?

Water supply to a (former) garage fridge. The location next to the baseboard is (presumably) a matter of where it was easy to run, not indicative of an association of the two systems. That size tubing ...
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  • 140k
3 votes
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Should I perform annual maintenance on our heating boiler?

The oil boilers I'm familiar with should be inspected and tuned annually. Many newer gas boilers need preventative maintenance only once every two years. I suspect pellet boilers want attention ...
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  • 16k
3 votes

How can I stop my radiators "clicking" when they're turned on or off?

As the radiators heat and cool, they expand and contract. During this process they rub on the brackets that they are hung on. There should be small nylon horseshoe shaped inserts fitted into the ...
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3 votes
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Is it possible to test a drained central heating system without filling it with water

If you are just checking for leaks, you can pressurize the system with air, and wait to see if the pressure drops. If it drops, there's a leak somewhere.
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  • 140k
3 votes
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Using 6 gallon hot water tank as recirculation device

Let's say we're dealing with 70 gallons of water, and we're adding heat just by running a circulation pump to stir the water around. And, let's say the pump is a standard hydronic circulation pump of ...
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3 votes
Accepted

GFCI outlet trips when one one device is plugged in even when it is off

If it's tripping the GFCI it is almost certainly defective. you could ask a second GFCI for a second opinion.
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  • 14.2k
3 votes

What modifications needed in order to use used cooking oil for heating instead of diesel?

What you're looking for is "making biodiesel". This is a process called transesterification which converts the longer carbon chain molecules in the grease into shorter chain molecules. That ...
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2 votes

Hot and Cold water seem to be mixing

From your comment "re-plumbed for code reasons" and the odd behavior you're experiencing, I suspect the hot water circulation system might have been patched/crossed into the cold water system and/or ...
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2 votes

How to block baseboard (water heated)?

In Russia, they just left the windows open. A photo would help. In general your towels or foil are safe to use, the towels will probably work best. You want to block airflow as much as possible, ...
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  • 10.4k
2 votes
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How to get heating system working again?

Step zero for the future (you've figured this out by now, but let's state it loud and clear) - extreme cold is when you don't want a setback at all - I shifted my thermostat from its usual automatic ...
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  • 140k
2 votes

Can I convert a radiator to radiant floor heating in a room?

I have done this to some of my renovations and I was able to do two types of installation. One was to save space in a bathroom with a radiator and the other was to save space in the kitchen just like ...
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2 votes

How can I stop my radiators "clicking" when they're turned on or off?

It sounds like the clicking noise is not the radiators, but the pipes expanding and contracting. The clicking noise is sometimes due to the pipe moving in the clips that are holding it, or maybe where ...
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  • 21
2 votes

Rapid loud tapping in wall adjacent to radiator- when tenant above adjusts

It sounds like you have hot water (hydronic) baseboard radiators, something like this: Tapping noises in these systems typically happen due to thermal expansion. The copper pipes expand as they heat ...
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  • 8,027
2 votes

What is the typical (N.American/ UK) cost difference between greenfield installation of hot water heating and warm air (HVAC) ducting?

Real pricing would depend on the actual type of installation of each system you would choose to install. For example; Hot water systems could be as simple as a series loop system or as costly as a ...
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  • 12.2k
2 votes
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What are these controls attached to my boiler for?

This is a thermostat (or aquastat) that regulates the temperature in your boiler. Appears to be an IMIT TLSC model. Here's a similar product on amazon. According to the instructions below, that ...
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  • 8,027
2 votes
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What could cause my hot water to run out quickly... but only in the bath/shower?

To me it sounds like an anti scauld valve is not working correctly. If you have a thermometer could you try just turning on the hot and see if the flow almost stops and what the water temp is. This ...
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  • 100k
2 votes

Can I adjust the temperature of the water in my radiators?

Boilers typically have a aquastat, high limit, low limit in one of several configurations. This is an all in one unit specific to oil. www.inspectopedia.com Most aquastats look something like ...
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  • 6,116
2 votes
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Baseboard water heat not heating one room; Rest of zone/house is good

First, if this is a forced hot-water system with baseboard heating, they're called convectors, not radiators. Bleeding the system is fairly simple (though a bit messy and time-consuming), and, as you ...
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2 votes

Can I reduce temperature in one room on my hot water furnace based system?

Most hot water baseboards have a "flap" which can be used to regulate the heat output so the system can be balanced, since there are often long runs serving multiple rooms. The flap can be ...
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  • 140k
2 votes

Can I reduce temperature in one room on my hot water furnace based system?

If you can't reduce the overheating in that room by any of the ways the other guys suggested, you might want to wrap the heating element with aluminum foil. Start with wrapping about 2 feet see the ...
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  • 12.2k
2 votes
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Radiator leaking from valve-less end

This is really a bad spot to be leaking considering that it's only about 12 years old. It's leaking where an attachment fitting is welded to the tank and with the amount of corrosion around it, a ...
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  • 57.6k
2 votes

Why does my radiant heater have multiple zone valves?

Difficult to know for sure without asking the designer. For instance, there might be limiting sensors to keep the floor from getting too hot, that might be per "loop zone" rather than "...
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  • 140k
1 vote
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What is the difference between EU and US radiators?

Honeywell does not provide a ton of info, but from the installation manual it would appear that evoHome is assuming each room has its own feed and return pipe, and in addition has its own local valve. ...
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1 vote
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Underfloor heating and how R values affect it

You're correct to assume that tile will transfer heat more quickly. However, since it's much more dense than wood, it also requires more heat energy to reach a certain temperature. For that reason, ...
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  • 107k
1 vote

Fill heat tank with glycol in off-grid system?

It's quite common, it can be pumped, it's a bit less efficient to pump particularly when cold and somewhat poorer at heat transfer than pure water. Primary impact on service life is minimizing oxygen ...
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  • 140k
1 vote
Accepted

How to isolate a baseboard heater circuit, drain, purge?

You are on the right track. Assuming you want to work on a single zone, you will need to: Shut off your boiler using the switch (potentially you could disconnect just one zone and leave your boiler ...
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  • 8,027
1 vote

What is involved in bleeding air from a multi residential hot water baseboard heating system installed in 1965?

Bleeding a water based central heating system is a DIY job anyone can do. Find the bleed valves and crack each one open a bit (only one at a time though you don't want flooding). You should be ...
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1 vote

Hydronic heat radiators not used for long time - should they be drained?

It is better to keep a hot water hydronic heating system full of water all the time. This keeps air out, and prevents the inside of the radiators from rusting (assuming these are traditional cast iron ...
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