Search: Posts Made By: gilmorrie
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Replies: 1
Views: 102
Posted By gilmorrie

Cleaning gas burners

How often do gas burners typically need to be cleaned? Is once every two years sound reasonable?
Replies: 1
Views: 122
Posted By gilmorrie

70-year-old hydronic system history

Our residential hot-water heating system has been owned and operated continuously by the same extended family for 70 years, so the system's history is well known. The history may be of interest to...
Replies: 0
Views: 130
Posted By gilmorrie

B&G Handbook 1940

Hot-water heating handbook by Bell & Gossett. Free (I have two copies). Send me your USPS mailing address. dcriner@ieee,org
Replies: 1
Views: 179
Posted By gilmorrie

Measuring Flue Gas Temp

I once had a combustion analyzer to check boiler efficiency - but it was too expensive to replace the sensor as required on a routine basis. Anyway, I can get a handle on boiler efficiency just by...
Replies: 1
Views: 245
Posted By gilmorrie

Warm Start vs Cold Start Boiler

We recently replaced a 70-year-old natural gas-fired, warm-start, steel fire-tube, hot-water boiler with a new cast-iron cold-start boiler. So far, all is well. Will the new cold-start cast-iron...
Replies: 2
Views: 235
Posted By gilmorrie

Do your "bleeders" look like these? ...

Do your "bleeders" look like these?
...
Replies: 26
Views: 1,142
Posted By gilmorrie

Since winter is coming, I think you need some...

Since winter is coming, I think you need some professional help from an experienced service person. I'm afraid that you are in over your head and that trying to solve the problem over the web may not...
Replies: 7
Views: 726
Posted By gilmorrie

The electrically, the cheaper cap should work...

The electrically, the cheaper cap should work fine. However, maybe its physical size might be a problem stuffing it into the electrical connection box on the Taco pump? Let us know how it works out.
Replies: 26
Views: 1,142
Posted By gilmorrie

The CGa (Series 3) Boiler Manual, Section 11 has...

The CGa (Series 3) Boiler Manual, Section 11 has a detailed troubleshooting procedure, That would be your starting point.
10-06-23, 12:48 PM
Replies: 11
Views: 19,734
Posted By gilmorrie

Replacing the freon is not DIY job

You will need to call a pro. It requires specialized equipment and qualifications.
10-06-23, 12:28 PM
Replies: 11
Views: 268
Posted By gilmorrie

Is the furnace going to have air conditioning...

Is the furnace going to have air conditioning installed? If so, a multispeed blower would allow using a slower speed for heat and faster speed for a/c. I don't off-hand see the need for variable...
Replies: 21
Views: 4,869
Posted By gilmorrie

First, start by getting the system pressure down...

First, start by getting the system pressure down to, say, 12 psi - then temporarily isolate the line connecting the city water supply to the boiler. There should be a manual isolation valve in the...
Replies: 2
Views: 304
Posted By gilmorrie

I recommend that you first select a contractor to...

I recommend that you first select a contractor to supply and install the new system. Get that contractor's suggestions as far as boiler makes and models. He will be responsible for warrantees, etc.
Replies: 4
Views: 325
Posted By gilmorrie

Why are you wanting to replace the boiler? Simply...

Why are you wanting to replace the boiler? Simply because of its age? Personally, I wouldn't replace it if it runs reliably and doesn't leak.
Replies: 2
Views: 449
Posted By gilmorrie

Poor Man's Boiler Bypass

I recently had a new replacement hot-water boiler installed. I had thought about having the installer, as a extra-price item, plumb in a boiler bypass - but I didn't, thinking I could add a bypass...
Replies: 2
Views: 408
Posted By gilmorrie

30-day circulator exercise?

I finally replaced my 70-year-old gas-fired hot-water boiler with a new Weil-McLain CGa Series 3. The new boiler has an automatic circulator exercise routine. The circulator runs for 30 seconds if...
Replies: 13
Views: 1,257
Posted By gilmorrie

Installing two pressure gauges, one on either...

Installing two pressure gauges, one on either side of the filter, may not be as helpful as it sounds. You are trying to measure the difference between the two gauges, and the precision of the gauges...
Replies: 2
Views: 372
Posted By gilmorrie

Even if you are going to replace your boiler in...

Even if you are going to replace your boiler in the future anyway, you probably should replace the offending pipe now. When you replace the boiler, maybe it will have a cast-iron heat-exchanger?...
Replies: 5
Views: 290
Posted By gilmorrie

What is the output rating of the lithium "power...

What is the output rating of the lithium "power station"? If you want to run the circulator pump, you will probably need a lead-acid storage battery feeding a DC-AC inverter.
Replies: 8
Views: 362
Posted By gilmorrie

I am still a little bit confused here. Is the...

I am still a little bit confused here. Is the issue that water continues to flow into the tank and out the drain? Or is the tank itself leaking out onto the floor? If the tank itself is leaking onto...
Replies: 25
Views: 2,211
Posted By gilmorrie

I suspect that your system pressure is running...

I suspect that your system pressure is running too high. What is the pressure as shown on the boiler gauge?
Replies: 3
Views: 302
Posted By gilmorrie

Leaking pipe joint - lesson re-learned

I have admired myself for knowing that we DIYers tend to underestimate the torque required to make leak-free connections of threaded steel pipe. Well, not so fast.

I recently replaced the fuel...
Replies: 1
Views: 236
Posted By gilmorrie

Radiant vs Convection?

We mostly have older cast-iron baseboard "convectors" with hot-water heat - I'm curious, how much of the cast-iron baseboards emit heat via radiation vs convection? We also have one room with...
Replies: 13
Views: 560
Posted By gilmorrie

I recommend that you do a "true" heat loss...

I recommend that you do a "true" heat loss calculation. Takes only a couple of hours using a computer program, either available here or elsewhere.
Replies: 5
Views: 1,588
Posted By gilmorrie

Spot's suggestion is good - to clean the strainer...

Spot's suggestion is good - to clean the strainer on the inlet of the backflow preventer. A Watts 9D backflow preventer will require isolation valves on each side to open the strainer. (The main...
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