I know when eric installed his boiler he blocked off one of the two nozzles in his eko 60 because of low heat demand and no storage. my tarm 60 has about 120k load in the tank heat coils and without the house load (2800 sq feet). I've also just installed a soapstone wood stove for atmosphere in my house and find I like running it and it greatly reduces the heating load on the tarm. I need to keep my tank hot for dhw and also zones that need heat. to me it would make sense to do like eric and block off my nozzle partially, I could then turn down my primary air(if needed) and basically make it more like a solo 40 but having the advantage of having the more hx area and a larger fire box that the 60 has. doing this would prevent idling that it does when just heating the tank load. I have a electronic combustion analyzer that does wood so I could check my efficiency. If I do this would I be better off blocking off the front part or the back part of my one nozzle? Doing this would also make a matched heating and storage system for heating my tank for dhw this summer. I'm open to all constructive comments positive or negative.