Search: Posts Made By: lessismore
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Replies: 14
Views: 4,849
Posted By lessismore

Yea, as you can see it's a very small room...

Yea, as you can see it's a very small room (closet size) and I had to go verticle to fit everything. A small step ladder is required to get to the circs. I didn't plan on servicing them a lot.
Replies: 14
Views: 4,849
Posted By lessismore

Trooper, Yes I built it. Polishing and...

Trooper,
Yes I built it. Polishing and lacquering the copper is of course insane but I like the idea! I thought I was nuts to paint the pipe but it's good to know there's someone else even crazier...
Replies: 14
Views: 4,849
Posted By lessismore

I think this is going to be the best fix. I can...

I think this is going to be the best fix. I can install a Taco SwetChek in a horizontal section of pipe above the circ pump.

Will the SwetChek allow the air to pass (unlike the IFC valve)?
Replies: 14
Views: 4,849
Posted By lessismore

Al, It would be very, very difficult to repipe...

Al,
It would be very, very difficult to repipe the system now. That 1 1/2 inch black pipe is brutal to work with.

As for an air vent on the boiler here are the Biasi B10 tappings:
Front:...
Replies: 14
Views: 4,849
Posted By lessismore

Doug, You're right I only allowed this as a...

Doug,
You're right I only allowed this as a test due to this specific problem. The system should be full of water but air is being trapped under the IFC valve in the circ pump.

My house is a...
Replies: 14
Views: 4,849
Posted By lessismore

Circulator Malfunction Mystery - Update with pics

I posted earlier on a situation where I was getting no water circulation in one of four zones on a retrofit install. The pump is getting voltage and the impeller is spinning. The problem appears to...
Replies: 19
Views: 2,001
Posted By lessismore

The BOIL MIN setting is 140 degrees which is the...

The BOIL MIN setting is 140 degrees which is the factory setting for Fin-tube convectors.
Replies: 19
Views: 2,001
Posted By lessismore

Yes no heat. What happens with the 260 is the the...

Yes no heat. What happens with the 260 is the the zone calls for heat but the water won't circulate due to this as of yet unresolved problem. The 260 turns the boiler on, but if no other zones are on...
Replies: 19
Views: 2,001
Posted By lessismore

Trooper, You're right about the pressure and...

Trooper,
You're right about the pressure and relief valve. I only worry about the pressure when I purge the boiler not the zones, my mistake. I was only trying to make the point that I purge at...
Replies: 19
Views: 2,001
Posted By lessismore

NJ Trooper, It's essentially how the system is...

NJ Trooper,
It's essentially how the system is piped. There are valves on the returns and the zones can be completely isolated. Here's a schematic:...
Replies: 19
Views: 2,001
Posted By lessismore

Yes the system was designed to pump away from the...

Yes the system was designed to pump away from the tank:
http://i202.photobucket.com/albums/aa119/pro10is/piping21.jpg
Replies: 19
Views: 2,001
Posted By lessismore

The house is 32 years old and is fed by a...

The house is 32 years old and is fed by a municipal water system. To purge I first completely isolate the zone, open the fast fill valve until the pressure almost reaches 30 psi (the point where the...
Replies: 19
Views: 2,001
Posted By lessismore

There is an air separator and vent installed...

There is an air separator and vent installed stricly to mfgr specs. It works well I heard it venting when I first filled the system.

There is a bleeder on the zone at the highest point and I bled...
Replies: 19
Views: 2,001
Posted By lessismore

I first suspected the controls, even replaced the...

I first suspected the controls, even replaced the relay. However when it happened again I checked for voltage at the pump and read the full line voltage. Also I can feel and hear the pump running.
Replies: 19
Views: 2,001
Posted By lessismore

Circulator Malfunction Mystery

I have a new boiler installation with five new Taco 007 Cartridge Circulators with integrated flow control. One is for the boiler secondary circulator and the other four are for the zones.

Three...
Replies: 6
Views: 4,730
Posted By lessismore

That's exactly what I intend to do. For better or...

That's exactly what I intend to do. For better or worse it looks like I'm going to be the test case.

I think it'll work well for partial ODR. I'll have to tweak the 260 until it works optimally....
Replies: 6
Views: 4,730
Posted By lessismore

Ok but that conflicts with: ...

Ok but that conflicts with:
http://www.comfort-calc.net/Bypass_Piping_Explaination.html
which appears to say B should be a minimum of 8 X the pipe diameter. I don't know which is correct.


...
Replies: 6
Views: 4,730
Posted By lessismore

Mystery Dimensions

This is the piping diagram originally spec'd by rbeck in this forum and then modified to included an ESBE TV valve:
http://i202.photobucket.com/albums/aa119/pro10is/piping21.jpg

It's a great...
Replies: 1
Views: 1,021
Posted By lessismore

Vent Pipe

I need to spec the vent pipe for a new Biasi B10 oil burner.

This is a three pass, low stack temperature (350F gross) oil fired boiler and is even rated for direct venting. I'm going to vent it...
Replies: 1
Views: 1,695
Posted By lessismore

Danfoss ESBE Thermic Valve Availability

I can't find a 113 degree 1-1/2" Danfoss ESBE Thermic Valve (065B8919) in stock anywhere.

http://na.heating.danfoss.com/Product/156252.jpg

Lead time to order is 4-6 weeks. Geez when you can't...
Replies: 7
Views: 1,533
Posted By lessismore

67,000 it is, thanks guys!

67,000 it is, thanks guys!
Replies: 10
Views: 1,165
Posted By lessismore

I've already carefully looked into this. ...

I've already carefully looked into this.

Unless a qualified contractor installs your boiler don't expect the manufacturer to warrant it. It's not a typical DIY project and in the hands of an...
Replies: 7
Views: 1,533
Posted By lessismore

I don't think I ever run indirect hot water but...

I don't think I ever run indirect hot water but if I do the Tekmar 260 I'm going to use does indeed have a priority control.

So what's the final consenses guys, a downfired 110,000 unit or the...
Replies: 7
Views: 1,533
Posted By lessismore

I currently have a new electric hot water heater....

I currently have a new electric hot water heater. I thought long and hard about going indirect but that would mean running the boiler all summer. Oil prices are so high right now electricity actually...
Replies: 7
Views: 1,533
Posted By lessismore

67,000 or 110,000?

Using the Slant/Fin software I've calculated a heat loss of 65,284 BTU/hr for my 2000 sq ft well insulated house with an outdoor temp of -10 degrees. Here in Vermont the temperature can get to minus...
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