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3 votes

Is a standard 3-mode (Hammer, Drill, Screw) Combi Drill always capable of alternating direction?

There's nothing in the mechanism of a hammer drill preventing it to turn in both directions, although the hammer action is meant to be used with the "screwing" direction. If you buy a combi ...
bobflux's user avatar
  • 9,148
2 votes
Accepted

Does clogged radiators increase the heating bills in a tankless combi boiler setup?

I think you're looking at it a bit wrong. It doesn't matter if it burns more or less gas, or stays hotter longer or circulates less. That's not how you reduce your heating costs. You want it to ...
Grant's user avatar
  • 5,659
1 vote
Accepted

Combi Instinct 199 - hot water radiator pressure

Plumber came out and said combi 199 system I have does refill and re-pressure itself.
matas eitmantis's user avatar
1 vote

Can a combi boiler be damaged to the point of ruin by 'sludge' in the water?

Wow, you have a lot going here. I too have experienced multiple boiler problems as I have hydronic (in floor) heating. I have lousy water that has to go thru a water softener to be usable. That ...
George Anderson's user avatar
1 vote

Does clogged radiators increase the heating bills in a tankless combi boiler setup?

Take the word from manufacture: "Combi boilers are designed to accomplish both space and water heating with a single appliance. Like a tankless water heater, a combi boiler provides hot water on ...
r13's user avatar
  • 3,382
1 vote

Does clogged radiators increase the heating bills in a tankless combi boiler setup?

I'm not sure I'd be "paranoid" about the situation, but a little bit of logical thinking would lead one to believe that a clogged system won't heat as well as a clean one and that would, ...
FreeMan's user avatar
  • 46.6k
1 vote

How can I figure out if a Combi Boiler will be adequate for my house?

You estimate the hot water requirements ie start with some of the “rules of thumb” such as each person uses between 40 to 60 litres of HW at 60 deg C per day and include all the other HW demands... ...
Solar Mike's user avatar
  • 27.3k

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