Navien NCB-240E Boiler Toronto Best Price

New Navien NCB 240E combi not reaching desired heat — …

2021/1/20 · Sorry should have added that it does heat just not to the desired temp. Last night it would not go past 69 at night time. 71 during the day. The outdoor reset (ODR) function of the boiler varies the water temp based upon the outdoor temp (the colder outside, the hotter the water temp and vise versa).

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