Search: Posts Made By: lawsonrw
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04-21-13, 05:37 PM
Replies: 5
Views: 893
Posted By lawsonrw

The cold AND hot supply lines exit from the rear...

The cold AND hot supply lines exit from the rear of the building? Is a gas line present for an outdoor boiler/water heater? If not I'm guessing this outbuilding is meant to receive water from tees...
04-15-13, 11:20 AM
Replies: 6
Views: 1,214
Posted By lawsonrw

This is a basement utility room. I see two vent...

This is a basement utility room. I see two vent pipes sticking out from the roof and neither are on the perimeter of the house. This is why I think the utility tub shares the vent stack with the...
04-15-13, 09:08 AM
Replies: 6
Views: 1,214
Posted By lawsonrw

Washing Machine sans Utility Tub

Hello All,

I'm curious about washing machines that seem to drain without the aide of a utility sink. In many detached new constructions (that include appliances) I see this, and almost always in...
Replies: 58
Views: 53,677
Posted By lawsonrw

...

Thanks NJ Trooper for you input. Insofar as the 15GPM, if you click through some of the links I provided the contributors I mentioned clearly say 15GPM in some of those discussions. I'm not sure...
Replies: 19
Views: 1,609
Posted By lawsonrw

Apples v. Apples

I'm facing a similar dilemma and when it comes down to it I think its just a matter of preference. Lots of folks will tell you that zone valves have developed over the years and are highly...
Replies: 58
Views: 53,677
Posted By lawsonrw

I Think I'm More or Less on the Right Track

Hello again everybody, I'm sharing a diagram of what I think the piping layout should look like. Please provide your feedback and ideas, let me know how I'm doing.


I'm planning on having the...
Replies: 58
Views: 53,677
Posted By lawsonrw

OMG that has been THE most helpful link...

OMG that has been THE most helpful link regarding p/s piping. Its finally starting to gel. So I think what I want to do is use the boiler on the secondary loop using CSTs, the independent zones...
Replies: 58
Views: 53,677
Posted By lawsonrw

Zl700:

I'm trying to locate a place on the web where I can buy that manifold, I'll add up all the parts and see if its cheaper for my to DIY the thing or not.

@lawrosa

Thanks for pointing me towards...
Replies: 58
Views: 53,677
Posted By lawsonrw

Mike

Interesting ... what make/model boiler is that attached to? I also noticed the Navien model appears to have 12" spacing between the tees, it looks like you might have 6" tops... can you explain why...
Replies: 30
Views: 3,268
Posted By lawsonrw

Expansion Tank

That HG Spec Service Center looks pretty useful, cantilevered designs always scare me though and its not clear how it attaches to the wall---I'm assuming typical mounting bolts like something you...
Replies: 58
Views: 53,677
Posted By lawsonrw

Interesting

I guess they don't specify the construction of this manifold on purpose. It looks like two flow-ball valve on the end of a 2 inch pipe connected thats tee-d off to the cold inlet and hot outlet of...
Replies: 58
Views: 53,677
Posted By lawsonrw

Could you link to those Navien drawings. I was...

Could you link to those Navien drawings. I was planning on using the layout from Page 25 of the manual provided on Navien's site. This is for a baseboard system. Fortunately, they offer the wiring...
Replies: 58
Views: 53,677
Posted By lawsonrw

Here You Go:

Sorry for not being clear, I did mean to say that each zone will be 4GPM. Can't recall what websites I used but I don't remember entering wall factors. And I got the internal pump speed from Navien...
Replies: 58
Views: 53,677
Posted By lawsonrw

I got the 121k from doing heat loss calculations...

I got the 121k from doing heat loss calculations on every room and hallway of the house. I slightly increased the numbers for each room to account for the insulation variability t/o the house.
...
Replies: 58
Views: 53,677
Posted By lawsonrw

If I Understand You Correctly

You're saying that the 730 Btuh / lin. ft. of baseboard is not what I want them to operate at all the time?

See I thought that if I want to keep the house at a comfortable, say, 74* in the...
Replies: 58
Views: 53,677
Posted By lawsonrw

I am here to learn

I'm here to learn, thats why I'm asking for input. I want to run the boiler at 180* because that's the design temp of the baseboards:

180* water * linear ft = total room BTU requirement

I...
Replies: 58
Views: 53,677
Posted By lawsonrw

@lawrosa 3,500 sq ft... big windows, some...

@lawrosa

3,500 sq ft... big windows, some parts of the house appear to be insulated, others appear not to be insulated. My plan has been to over-radiate the house all along, but I do plan to run...
Replies: 58
Views: 53,677
Posted By lawsonrw

Navien Tankless Combi Boiler

Hello All,

I am sharing my planned system design with the hopes of getting some clarification on things. I've read some people saying that Navien units can't provide the required amount of heat...
03-26-13, 05:01 PM
Replies: 5
Views: 1,368
Posted By lawsonrw

Thanks for the reply, I was really torn between...

Thanks for the reply, I was really torn between option 1 and 3. But I was going to close in the recess anyway... why? My new baseboards are too tall for the recess, even if I take the heating...
03-26-13, 04:57 PM
Replies: 5
Views: 1,368
Posted By lawsonrw

You have a point on the insulation. I'm not...

You have a point on the insulation. I'm not quite ready to insulate the entire house, the thought of that makes my head spin with costs multiplying. I can always have blown in put in later, right?...
03-26-13, 11:18 AM
Replies: 5
Views: 1,368
Posted By lawsonrw

How to Rewire home?

Hello All,

Most of the outlets in my home are not grounded. This is with the exception of the kitchen and bathrooms. The wiring in the wall is old 2-wire and its actually in really good shape,...
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