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Navien 210 NCB combi

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Bill Julian
Bill Julian Member Posts: 162
in Gas Heating
Customer complained after recent install slow hot water to Kitchen and bath faucets but not shower. Makes not sense. Temp good but says slow getting there. Going over later this week to check. Any ideas?

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  • Ironman
    Ironman Member Posts: 7,376
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    Are are you getting the minimum 1/2 gpm flow through the faucets?

    Some pressure balanced shower diverters will allow hot to pass to the cold side when turned off. This will cause the heater not to fire when a faucet is opened because the diverter is bypassing from hot to cold or vice versa.
    Bob Boan
    You can choose to do what you want, but you cannot choose the consequences.
  • Bill Julian
    Bill Julian Member Posts: 162
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    Humm..interesting never thought of that. Have to check that. Its a symmons I believe. Thanks
  • motoguy128
    motoguy128 Member Posts: 393
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    What is the water temp setting?   If over 125f May need to turn it down to increase flow of hot water.  Seems counter intuitive.  


  • Bill Julian
    Bill Julian Member Posts: 162
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    but no complaint at shower.

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