How to Refill Water to NCB300 Boiler

[@rioborzeli147]

Thank you from Canada , very helpful and saves me over 350 bucks 👏👏😃😃

[@obiabunike2432]

Awesome video. Thanks really helpful

[@rioborzeli147]

The Yahoo compay that installed the system left pressure at 36psi...... you can imagine the banging when heating shutdown 🤪, Now set at 20.5 psi No issues at all 🎉