Mod/Con Boiler recommendation

kanecats

Hello All,
I have previously posted about all the problems I am having with my Peerless P80 boiler. It is now throwing more codes, and while I believe it will be solved with a sensor I have on order, I would like to consider a replacement. The boiler has been a problem from day one!

I was thinking about the Bosch, however I have a Tekmar setup with an outdoor reset switch, and would like to use my existing system. I believe the Bosch Greenstar only works with their FW200 module. I am slowly adding zones to what will become a whole house heating system, with a 40 gallon Peerless IDHW tank attached. Though a little undersized, I can fix that by adding a larger tank in the future, and bumping the temp an adding a mixing valve now. I am looking at a 100 BTU replacement. What are your thoughts on reliable boilers which can tie into my Tekmar controller and outdoor reset switch set up? Thanks!

Snowmelt

go with either a Navien Rannai or weil mcLain

Robert O'Brien

You're going get as many answers as there are mod/cons. But I'll throw my preference in. Viessmann CU3A Vitocrossal

Leon82

I believe the minfire on the green star is 30 or 50k btu. If you have small zones it may be a little too much

kanecats

Thanks All!
@ Robert - I was specifically wanting units which would work with the tekmar controller! I did all the research on the Bosch and realized you have to use their outdoor reset. I thought others here would have more knowledge of the Tekmar setup and what would work best! Thanks...

Robert O'Brien

Vitocrossal works with an external 0-10VDC signal