Search: Posts Made By: boulderz
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Replies: 6
Views: 1,806
Posted By boulderz

Yes the uppermost LEDs are on on both the SR502...

Yes the uppermost LEDs are on on both the SR502 and SR506. When the t-stat is turned on, the SR502 associated zone LED lights, a relay clicks but no circulator turns on. On the SR506, relay clicks...
Replies: 6
Views: 1,806
Posted By boulderz

It has circulators. 6 zone switching relay is...

It has circulators. 6 zone switching relay is SR506. Inside the SR506 there are some small glass fuses which all look fine.
Replies: 6
Views: 1,806
Posted By boulderz

Taco Switching Relay Not Responding to Thermostats

Hello, I have a Lars EDP 110 boiler with 4 zone baseboard and 2 radiant zones. There is a Taco 6 zone switching relay with priority controlling the 4 baseboard zones and a second Taco 2/3 zone...
Replies: 6
Views: 2,046
Posted By boulderz

28064 Culprit # 1, culprit # 2 was close by

28064

Culprit # 1, culprit # 2 was close by
Replies: 6
Views: 2,046
Posted By boulderz

Spoke with the builder who has the original...

Spoke with the builder who has the original receipt from the concrete guy (reputable contractor) invoicing 2" foam and double thickness vapor barrier.
Replies: 26
Views: 1,281
Posted By boulderz

Would a couple of closely spaced tees, as the...

Would a couple of closely spaced tees, as the plumber said, achieve a primary/secondary setup? Or is that a stopgap from replumbing the whole system.

At this point there will be no plumber, that...
Replies: 6
Views: 2,046
Posted By boulderz

Moisture/Mold under radiant Flooring..

I have a finished bedroom and bath in our basement with radiant heat. The bedroom was added as an afterthought in 1999 (house constructed in 1992). The bedroom flooring is 4' x 8' sheets of pressed...
Replies: 26
Views: 1,281
Posted By boulderz

Followup

I spoke with the plumber and tried to squeeze some advice out of Laars support. The plumber seems to think "a few closely spaced tees" would solve the problem.

Laars stated "Re-piping this as a...
Replies: 26
Views: 1,281
Posted By boulderz

Well I've spent the last hour or so reading the...

Well I've spent the last hour or so reading the manual and the Laars "Approach to Primary/Secondary Systems" and I understand how it should be hooked vs. the way it is now. Very interesting stuff. So...
Replies: 26
Views: 1,281
Posted By boulderz

Well I'm impressed. Thank you both. Now tell...

Well I'm impressed. Thank you both.

Now tell me what the hell that means. :o

@HW "1) The drawing needs First floor Zone 1 -- return moved to the right of both the radiant returns." Yes - you...
Replies: 26
Views: 1,281
Posted By boulderz

Update, I just checked and those 2 circulators...

Update, I just checked and those 2 circulators have Integral Flow Checks...
Replies: 26
Views: 1,281
Posted By boulderz

Yes they are piped like that, except there's a...

Yes they are piped like that, except there's a mixing valve piped in. See attached. It's the 2 circulators far left, supply comes in from ceiling down and it seems to me the circulators push through...
Replies: 26
Views: 1,281
Posted By boulderz

Here's the schematic of the system. 25825

Here's the schematic of the system.

25825
Replies: 26
Views: 1,281
Posted By boulderz

I can do a diagram and get better pics soon. But...

I can do a diagram and get better pics soon. But to answer your question, yes the circulators are pumping into the return and water is being pushed toward the flow check valves in the supply.
Replies: 26
Views: 1,281
Posted By boulderz

Here's 2 photos of the setup. 2580025802

Here's 2 photos of the setup.
2580025802
Replies: 26
Views: 1,281
Posted By boulderz

We just bought the house this summer so this is...

We just bought the house this summer so this is the first heating season. So I have to assume it has been happening for awhile, former owner was older woman and probably wouldn't have even noticed....
Replies: 26
Views: 1,281
Posted By boulderz

Question Boulderz - problem with check valves

Forgive me for jumping in to this thread, but I've been researching solutions to a heating question and this thread seems relevant...

I have a Laars propane fired baseboard/radiant hot water...
Showing results 1 to 17 of 17


 
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