Navien NCB-210 Question


Old 01-15-15, 01:01 PM
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Navien NCB-210 Question

Hi. We recently had a Navien NCB-210 installed in our home for radiant heat and hot water. We have noticed when taking a shower that the hot water will flow for a minute then drop out for 30 seconds or so and then come back on. Occasionally this cycle will be repeated though it usually seems to happen only once and then the hot water flows continuously. Is this typical for these boilers or is there some adjustment that can be made so that the hot water doesn't drop out at the start of the shower? Thanks in advance for any advice.
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Old 01-15-15, 02:15 PM
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Is this typical for these boilers
Google "cold water sandwich" for more info.
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