Navien NCB-240/130H Boiler Retrofit #11 (Grundfos Theme)

[@BarryGeorge]

Great stuff - gives me some ideas to get my NFC 250 problems sorted out! Thanks for sharing.🏅

[@dougdickson8128]

Beautiful work, awesome tunes!

[@toms.5729]

Another masterpiece!

[@eduardofraginals9161]

Like always perfect job

[@diymadness2330]

I hope you don't mind me asking but why Grunfast over Taco E series?

[@samihabib661]

Why didn't you use the hydronic water feed on the tank..directly connecting it to the tank?