Water circulator system dry

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Kaiser

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Thank you for letting me partake. I know nothing about anything and less about boilers. I have a small apt. with a Weil McClain boiler. it was making a crazy sound so I shut the power. when I turned it back on I realized it was the recirculation pump making the racket (TAKO 007-F5). I also noticed a drip from the expansion tank. I replaced the recirculation pump. BUT. I noticed no residual water coming out. I turned the system back on and after 1/2 hour the new bump was burning hot. I guess there was no water to cool it. PLEASE HELP.
 

John Gayewski

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Thank you for letting me partake. I know nothing about anything and less about boilers. I have a small apt. with a Weil McClain boiler. it was making a crazy sound so I shut the power. when I turned it back on I realized it was the recirculation pump making the racket (TAKO 007-F5). I also noticed a drip from the expansion tank. I replaced the recirculation pump. BUT. I noticed no residual water coming out. I turned the system back on and after 1/2 hour the new bump was burning hot. I guess there was no water to cool it. PLEASE HELP.
Take a picture of all of the piping and boiler from far away. We can zoom in.
 

Kaiser

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Thank you for the reply; I figured it out. Now I have a different problem. I replaced the old Amtrol expansion tank with a new Amtrol expansion tank however the threads do not match. Both seem to be 1/2 inch. I am dying here. any help would be greatly appreciated..
 

John Gayewski

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Thank you for the reply; I figured it out. Now I have a different problem. I replaced the old Amtrol expansion tank with a new Amtrol expansion tank however the threads do not match. Both seem to be 1/2 inch. I am dying here. any help would be greatly appreciated..
There are more and more hydronic components going to hose threads with washers. Or maybe you bought a bsp tank? Hard to say without seeing anything.
 
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