Radiant floor with poly b replacement boiler

Hello, 

I want to replace my boiler for my roughly 200sq foot radiant floor heating.  The floor has poly b piping with brass fitting from what I can see.  I'll attach info on my current boiler.  I recently replaced my water tank heater so want to keep that.  I'm looking for recommendation for a boiler to use to replace the one I have.  Amy idvise is appreciated!

Cheers,
Sean