Increasing efficiency

Tony_55

I have a peerless boiler wv3 3 section with a tankless coil and a honey well aquastat L 7224 c 1004 model. House is 2200 sq ft and has 3 zones. The tankless coil of course has a mixing valve. What can I do to increase efficiency - Can i still put a Taco 702 outdoor reset on this. Should i put a Storage type electric water aqua booster or an indirect type . Is this feasible with this set up. I know a lot of questions but all help and suggestions welcome

CMadatMe

Best Way

In my opinion would be to 1st scrap the tankless coil and add an indirect water heater. Second make sure I also add a zone control w/priority. Third, either add a Beckett Heat Manager or outdoor reset. This is how I would start.

Do a heat loss of each room. Compare the heat loss to your current heat emiiters (baseboard, radiators, etc). Come up with a curve. I would proably use Taco Zone controls so I could add the PC701 outdoor reset control. I would then make sure I repiped the enitre system for constant circulation and make sure I have a boiler by-pass to protect my old 1950's technology boiler from cracking. Now if I couldn't re-pipe the entire system I would def do the boiler by-pass. I would also take a look at my firing rate to see if I could down-fire the boiler also. Good luck.

KevinCorr

Yes, I would also vote for the indirect tank.

The 2d part is good but you may be just as well off putting that money toward getting a modern boiler.