Search results

  1. lmei007

    Replacement for the burnt out Taco 007-F5-1IFC circulator

    I have a hot water heating system. Its main circulator, Taco 007-F5-1IFC was burnt out this evening due to the flange leakage. The circulators for the individual zone are Taco 007-F5-7IFC. I have a spare new 007-F5-7IFC circulator sitting in a box. I am wondering if I can use the 7IFC to...
  2. lmei007

    condensate drain issues

    I just bought a 2nd floor apartment and was told by the first floor neighbor that my Carrier FB4ANF030 system was leaking. The Carrier HVAC is installed next to the bath room. The condensate water is connected to the shower drain on the right side. By looking at the system, I found there are...
  3. lmei007

    Basement closet wall with foam needs drywall for fireproof?

    I have a closet in the basement. One of the walls has foam between the closet wall and the concrete wall. Do I have to put dry wall there for fire code?
  4. lmei007

    terms in a hot water heating system and help needed on wiring

    I am trying to figure out how to use the Taco SR504-exp-4 Switching Relay with my Alpine 105 gas boiler due to the changing from one zone to 3 zones. I am not very clear some terms on the instructions. Please help me. My system doesn't have a hot water sub-system attached. It is a winter water...
  5. lmei007

    How to avoid burnout when soldering?

    I have some soldering experiences on 1/2" and 3/4" pipes with propane. I am confident my skill on them. Today I just tried 1" with MAPP. The first joint is a 1"x1"x1/2" tee. It turned out a nightmare. It was burnout. I have to redo it. It seems that when the temperature reach to the point...
  6. lmei007

    Can I continue with the flux I put on the pipe yesterday

    I got ready some copper pipe joints with flux yesterday but I didn't get a chance to solder them. Can I continue to solder them or I have to clean them up and redo the flux? The flux is the Oatey #95 Tinning Flux. thanks
  7. lmei007

    How to solder this addition?

    I am adding zones to the existing water heating system. From the picture you can see starting from that pointed thread connection, the new addition is on the right side. From left to right after the male fitting, there are a 45 degree turn, a tee, a 45 degree turn and a tee again. They are...
  8. lmei007

    big issue or not

    I am adding zones and found there are lots of rust on one of the connections with air scoop. The system is 5 yrs old. This is the connection issue or the air scoop issue? I didn't see any wet. I may happened years ago? What I should do? leave it as is? reconnect it? replace the air scoop? I...
  9. lmei007

    my new supply additions are good or not?

    I am adding two more zones onto the existing one zone water heating system. From the picture you can see I plan to add two more supplies branches to the right with two 45 degree turns. The existing 007 circulator is taken off and will be replaced with a new 007 circulator with flow check...
  10. lmei007

    work with 1" water heating main line

    I will work with 1" water heating main line soon. I have soldered many 1/2" and some 3/4" pipes and fittings. But I have never worked with 1" pipes and fittings. I heard somebody said working with bigger pipe should use better solder torch. What I am using now is the basic propane torch...
  11. lmei007

    put ball valve(s) on each water heating baseboard branch?

    Just wondering is it a good practice to put ball valve on each baseboard branch in a water heating system? one side or both side (in and out)?
  12. lmei007

    water pressure test result questons

    I am installing a 16' section CI baseboard with a 90 degree turn on my first floor. It is in place and pipes go down to basement and ready to connect to the main line. I did water pressure test yesterday. I have purged all air out. The water pressure was 62psi and then I closed the water loop...
  13. lmei007

    slow leak on CI baseboard (water heating) air pressure testing

    I am installing #9 CI baseboard in one of my rooms. There are four sections in this big room. Three of them are longer than 10 feet. I did air pressure test on all of them with air vent installed. There is a slow leak on one of them. I can see the leakage is from the air vent with soapy water...
  14. lmei007

    install coin vent at the end of the CI baseboard

    I have some snug CI baseboards. I cannot use the desiged position for the coin vents. So i have to use the end 3/4" opening for the coin vents which is 1/8", I think. Then i need a adapter for this installation. By searching online, this Steel NPTF Pipe Hex Reducer Bushing is the only one I...
  15. lmei007

    Any Max and Min distance requirement between branches?

    In a 2-pipe reverse return system, is there any max and min distance requirement between the supply pipes for different branches? how about return pipes? I need to add two more zones onto the existing one zone system. I am thinking extend the main supply pipe and then turn 90 degree to add two...
  16. lmei007

    why these two adpaters' price difference is so big?

    1/2 in. Copper FTG x MIPT Fitting Adapter is $5.97 but 1/2 in. Copper Pressure C x MIP Adapter is only $1.58 which one I should use with this elbow: Lead-Free 1/2 in. Copper Silicon Alloy Pressure 90-Degree C x F Elbow ?
  17. lmei007

    You will go with one-pipe monoflo setting or two-pipe reverse return setting?

    Finally I am ready to call in plumbers for their quotes on my gas hot water heating system upgrade. It is a big job with some of new CI baseboards being added and add a new zone for the unfinished basement (framing is in progress). The attached pdf file is my 3 yrs old Alphine gas boiler's...
  18. lmei007

    wood trim or pvc trim for shower wall meet ceiling?

    I need trim in the places where tiling wall meet the ceiling. Wood Trim: is it good enough to be used there after it is painted with bathroom paint? glue it to the tile wall and painted ceiling is good enough? any recommendation for the adhesive? PVC Trim: can it be glued on the tile and...
  19. lmei007

    paper between the cast iron baseboard and wall

    What is the purpose of above paper? any replacement/better way?
  20. lmei007

    when to use NPT and when to use sweat

    I need 2 sets of circulator isolator flanges. There are two different types: NPT and Sweat. Usually when we should use NPT and when we should use solder? Do you think this isolator flange from Taco is good? http://www.sdsmarket.com/Taco_SF_100S_Shut_Off_Swivel_Flange_1_Sweat_p/sf-100s.htm...
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