Search: Posts Made By: knpnj
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Replies: 14
Views: 371
Posted By knpnj

ok, so got around to this. The zone valve and...

ok, so got around to this.
The zone valve and the coil drain were not the issue. The coil bleed didn't change anything.
So finally our plumber came around and helped to swap the circulator - even...
Replies: 14
Views: 371
Posted By knpnj

Ok great. I should be able to try this tomorrow...

Ok great.
I should be able to try this tomorrow evening at the earliest.
thanks!!
Replies: 14
Views: 371
Posted By knpnj

Thanks Spott! Could you please advise how I...

Thanks Spott!

Could you please advise how I can do this?
i.e. raise the pressure "Get your boiler pressure up to 25-28 PSI and don't let it drop until all the air is out"

It shows 14psi right...
Replies: 14
Views: 371
Posted By knpnj

Thanks Law, I haven't had time to drain...

Thanks Law,

I haven't had time to drain anything yet.
The psi is 14.

The zone valve was replaced last year, so it "should" be fine.

When I remove a black lead wire from the zone valve, it...
Replies: 14
Views: 371
Posted By knpnj

Thanks Spott, No - the relay at the...

Thanks Spott,



No - the relay at the boiler is the immersion type and it was a quick swap without draining the boiler.

Also, we lost the hot water yesterday AM and I changed the relay today,...
Replies: 14
Views: 371
Posted By knpnj

Thanks Spott, yes it's just one pump for the...

Thanks Spott,

yes it's just one pump for the entire system - but how do I ensure that the pump is circulating as expected?
If the home floors/zones are at keeping temperature as set by the...
Replies: 14
Views: 371
Posted By knpnj

No hot water from Indirect

Hi All,

Now we are in an opposite situation from this thread - https://www.doityourself.com/forum/boilers-home-heating-steam-hot-water-systems/556432-water-too-hot-beyond-aquastat-high-limit.html...
Replies: 10
Views: 967
Posted By knpnj

Thank you PJmax If we had known that the...

Thank you PJmax

If we had known that the iComfort /EIM design deprecates old two-wire hydronic connectivity, we’d have gone with another brand.
Now we have two tsats running next to each other...
Replies: 10
Views: 967
Posted By knpnj

Ok, found a post online that mentions the...

Ok, found a post online that mentions the following:

https://smile.amazon.com/LockState-Connect-LS-24VAC-Adaptor-LS-90i/dp/B0071IWJ7G/ref=redir_mobile_desktop?_encoding=UTF8&psc=1&ref_=ya_aw_od_pi...
Replies: 10
Views: 967
Posted By knpnj

Thanks. No we do not have a ducted hot water...

Thanks. No we do not have a ducted hot water coil, just regular baseboard heat zones.
So you're saying that the blower will kick in every time the boiler calls for heat? Thats no good.
We can't be...
Replies: 10
Views: 967
Posted By knpnj

Has anyone found the following to work as a...

Has anyone found the following to work as a solution for two-wire hydronic connections with iComfort and similar wifi tstats?
Lennox option:...
Replies: 10
Views: 967
Posted By knpnj

The air handler is CBX40UHV. ...

The air handler is CBX40UHV.
"CBX40UHV-036-230-6-04"
tnx
Replies: 10
Views: 967
Posted By knpnj

Thanks for the quick feedback. We do not have...

Thanks for the quick feedback.
We do not have any furnace, just the Crown boiler with four heat zones + one indirect.
We hope to keep just the iComfort as tstat in one zone, and somehow tie the...
Replies: 10
Views: 967
Posted By knpnj

Lennox iComfort hookup for Crown Boiler

Hi All,

We are in the middle of a late season hvac install. The installer claims that the Lennox iComfort tstat (part # 103445-04) will not be able to call the existing Aruba Crown boiler for...
Replies: 7
Views: 734
Posted By knpnj

Thanks Tomf63, I tried to loosen the lock...

Thanks Tomf63,

I tried to loosen the lock nuts on the shut-off valves - the whole thing is gelled up and jammed tight. Nothing moves. I have to get them replaced.

While I can see that the old...
Replies: 7
Views: 734
Posted By knpnj

Thanks Rab49 - that's the same video I had...

Thanks Rab49 - that's the same video I had followed when I drained a zone the first time :)

Tomf63 - Not sure why there are six drain valves for four zones (and the indirect has its own as well),...
Replies: 7
Views: 734
Posted By knpnj

Please help get air out of a zone!

Hi All,

While replacing the indirect well per the earlier thread...
Replies: 43
Views: 1,964
Posted By knpnj

Hi All, Ultimately, we replaced the...

Hi All,

Ultimately, we replaced the L4080B-1212 with a new L4080B-1352.
This enabled the temperature to be set around 118 degrees and the system is working normally.

Thanks again to all for...
Replies: 43
Views: 1,964
Posted By knpnj

Thanks NJT! The wife and kids already...

Thanks NJT!

The wife and kids already yelled, and she'd rather have it "like it always was".
Hence next step for me is to swap in a new 1352 instead of the 1212 and make sure that is the case....
Replies: 43
Views: 1,964
Posted By knpnj

Hi NJT, - I remember the valve used to close...

Hi NJT,

- I remember the valve used to close (and open) with the old aquastat.

- There are only two wires on the aquastat. The old model was L4080B-1352, but the new one is L4080B-1212.

- I...
Replies: 43
Views: 1,964
Posted By knpnj

I just noticed something else - the new aquastat...

I just noticed something else - the new aquastat does not allow the set point to go below 140 deg.
In fact the default factory set point on the new aquastat was 220 deg!

58096
The old one used...
Replies: 43
Views: 1,964
Posted By knpnj

The kids can't wait, so I turned everything back...

The kids can't wait, so I turned everything back on :)

- Boiler is 20 psi / 180 deg.
- The aquastat is set to 119 deg.
- There is no sign of leakage outside the tank at the new immersion well -...
Replies: 43
Views: 1,964
Posted By knpnj

OK, so I had to wait till everyone was done for...

OK, so I had to wait till everyone was done for the day to drain the tank again. This time I used a shorter hose spec'd for hot water, and drilled through a closet wall to get it through to the...
Replies: 43
Views: 1,964
Posted By knpnj

The wife and kids complained about no heat and...

The wife and kids complained about no heat and water, so I had to "put everything back like it was" :)

Haven't been able to do anything with the immersion well yet.

The tank filled from the...
Replies: 43
Views: 1,964
Posted By knpnj

Yes, I let air in through the relief valve. The...

Yes, I let air in through the relief valve.
The flow through the hose has to jump a door subsill of 2" or so to go out. I'll try sending it to a shower drain instead, which also has a lip to climb. ...
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