loop end coolness

Steamhead

Run a 3/4" line from the center point of the loop back to the boiler. Use this line as your return and feed hot water into the ends of the existing loop. This will cut the one long run of baseboard into two shorter ones and everything should heat OK.

If you want, you can run two 1/2" return lines back to the boiler from the center of the existing loop and zone that part of the house, with a thermostat, flo-check and circulator for each zone.

Whichever way you go, you'll have to drain the system to work on it. If your system isn't already set up this way, now would be a good time to install a good air separator and "Pump Away". This will give you a much better system.



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C. Noble

loop end coolness

I've got a 1/2" hydronic line that travels 33' from the boiler through the basement then travels 87' around four bedrooms on a slab before it returns the 33' to the boiler. The last 16'(the last bedroom) doesn't get warm enough. Would it help any if I went from the present 1/2" line to a 3/4" line in that room and changed back to 1/2" as it goes back to the boiler?

DanHolohan

about the most

you can put on a 1/2" line and still expect decent temperature near the end is 25'(of element). How much of this loop is element?

Dale

1/2 inch

can only be expected to put out about 15K btu at a 20 degree delta T. The first rad may be taking it all as the other post suggests.

John@Reliable

Coolness

A cheap fix (making it livable) without repiping etc. try closing some of the dampers on other baseboards and maybe raising water temp. by 10 degrees this could help but not fix.

John@Reliable

Coolness

JerryJ

1/2 baseboard

You could increase your flo considerbly by changing the 66 feet of 1/2 in the basement to 1" Jerry

C. Noble

Most all of the 87' that goes through the bedrooms is element (has fins on it) except for maybe 6' as it goes through one closet and 2' through another and maybe another 13 1/2" through walls.