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s53

U.S. Route 53, or U.S. Highway 53 (U.S. 53), is a north–south U.S. highway that runs for 403 miles (649 km) from La Crosse, Wisconsin to International Falls, Minnesota. It is the primary north–south route in northwestern Wisconsin, serving as a vital link between I-94 at Eau Claire, Wisconsin and the Twin Ports of Superior, Wisconsin, and Duluth, Minnesota. The entire route from Eau Claire to the city limits of Superior is a four lane divided highway. The highway's northern terminus is at the Fort Frances-International Falls Bridge in International Falls, Minnesota, at the Canada–US border. Its southern terminus is in La Crosse, Wisconsin, at U.S. Highway 14.

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  1. M

    S53 on eco tec plus

    Hi all. I am having trouble with the boiler. The boiler works absolutely fine in central heating mode but in hot water it ramps up to temp and either goes to low burn or cuts out. Shows s53 which is temp difference across flow and return too high. The plate is fine and the diverter valve? Any...
  2. RoryD

    vaillant ecotec 831 S53 !!

    Boiler banging and crashing;Was able to easily stop the pump; found plenty of sludge residue in secondary Heat Exchanger. Fitted magnaclean, Magnacleansed system, replaced pump & 2ndary h/ exchanger. All fires well, heat circulates well. On DHW the water is luke warm 35ish degrees. Boiler...
  3. F

    Vaillant S53 compared to other brands

    Hi All. For those who read my LLH thread, this question is because I'm weighing up whether my problems are just down to it being a Vaillant boiler. Quick background - I have 3 heating zones (u/s, d/s and hw). Any individual zone works fine. Multiple zones work fine when running together. The...
  4. L

    vaillant s53 fault

    Hi all Has anyone come across this s53 fault with the vaillant. had a couple now and the tech guy vitually admitted it was a design fault with heat exchanger..... anyway I normally only fit worcestor bosch (but expensive) or vaillants but have my doubts now about the vaillant. what would you...
  5. W

    Vaillant S53 Problem

    Just installed a Vaillant Ecotec Plus 428 on a pretty large system about 20 rads. Im happy that iv sized the boiler correctly just struggling to get over the S53 circualtion problem. Boiler is in garage and cylinder is upstairs in loft. I have fitted 2 heating zones (upstairs/downstairs) and...
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