Hello HVAC folks,

My home is heated with forced hot water. It's an oil-fired boiler with 2 zones (1 per floor) & circulating pumps (plus a 3rd for the hot water heater). The 1st floor circuit basically makes one loop (single 3/4" pipe) around the perimeter of the house with baseboard radiators in each room, including the kitchen.

I'm planning a kitchen remodel now, and it looks as though I may want to put cabinets where the baseboard radiator is now. If I install one or more of these (or similar) under the cabinets, how would one add them to the existing system? I assume they can't just replace the baseboard in the loop, as the diameter of pipe is quite a bit smaller.

Any advice would be appreciated.

Cheers!

Put a Tee of the correct size into both the supply and return lines from the loop.

Pipe the center Tee tap that that is left open to the kick space heater one tee tap for the supply and one for the return for the kick space unit.

Usually the tee size is 3/4 X3/4 X1/2. The 1/2 going to the kick space heater.

All this is just a simple bypass that will allow the water to flow through the system just as before but now the water will also flow to the kick space unit.

A kick space heater does not put out the BTU's like a regular baseboard so the 1/2 inch feed works great.