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  1. General DIY Discussions
    Hi, Newbie here. I have a question I hope someone can help me with. I have a burnum oil fired boiler with hot water baseboard radiators, circa mid 1970s. When I bought the house 17 years ago, the radiators banged a little when the circulator pump came on. I bled everything and the banging...
  2. HVAC
    I think I have a bad circulator. I have 120 volts going to it. The light for zone 2 is on so i knew the thermostat was sending the message. I check voltage at 120 past the relay going to the circulator and took the cover off the circulator and got 120 there too, but it's not sending the water...
  3. HVAC
    the above title is not quite correct, but please be patient. I will be very accurate below. The situation: burnham boiler v14a-t 3 zone with tyco 571-2 valves tasco circ pump 007-f3 Honeywell AquaStat controller stamped 8933 but looks like R8182d Voltage measured at Aquastat terminals...
  4. Electrical
    I have a camp on a lake in New England, with a boathouse and a large dock. The lake freezes in the winter and, unless protected, the pilings get locked into the ice and likely damaged during Spring thaw. It's protected by four submerged circulators (Aquatherm and Ice-Eater are two trademarks)...
  5. HVAC
    My boiler was working up until last week when I noticed that the water pressure was getting too high. The psi was getting close to 40 so I opened the release valve on the expansion tank, which brought the psi down to 20. After I did this water no longer flows through the heating system. The...
  6. HVAC
    I have a hot water boiler heating system in my basement. I have a supply line with a gate valve, then a pressure reducing valve with fast fill. This goes to another gate valve right by the boiler except this gate valve is a 3 way. One way the supply line comes in from the PRV, another way goes...
  7. HVAC
    Hello, this post is a result of many hours and days of trying to find an answer: is my Grundfos Circulator UP 26-64 F/VS with variable speed control supposed to make the noise that it is making? I am looking for anyone out there that had experience with Grundfos Variable Speed pumps - someone...
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