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Weil mclain ultra boiler not working

Boiler not firing up and heating

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2 Answers

I have a mclain 68 boiler... I have no power going from boiler to thermostat. what can that be?


Could be a disconnected wire or failure of the thermostat power supply.

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Boiler working but no hot water


Pump circulating heated water to the tank? Set the temp adjustment on the tank?

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Operating worcester bosch 240 gas boiler


  1. If there is no water on the floor, your crack is probably OK so far. The water thing is a worry though. NEVER fire a boiler that is low on water. Adding water to a hot boiler will crack it. Tell me all you can on what components you have in the water and gas lines.

Nov 15, 2013 | Weil-McLain Heating & Cooling

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Set up for heating and lighting pilot


When is the last time you had it serviced By a Tech?

Oct 24, 2013 | Weil-McLain CGa-25-SPDN, NG, Gas Fired...

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Have a water leak inside boiler keeps putting pilot light out


Not good at all. Check for a fill level probe/float/sensor that may be acting up causing the unit to over fill, or you may be looking at buying a new boiler.

Feb 18, 2013 | Weil-McLain CGa-25-SPDN, NG, Gas Fired...

1 Answer

LOW WATER CUTOFF IS CHATTERING ON WEIL MCLAIN BOILER MODEL EVH95. WHEN THE CUTOFF IS TAKEN OUT OF THE CIRCUIT THE BOILER FIRES, BUT WHEN IT IS PUT BACK, IT WILL NOT STAY LIT?


Don't jumper that control out. You likely have some thing going on with the make up water. best i can do with information provided. T

Jun 16, 2009 | Heating & Cooling

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