Best Of
Re: A Makeshift Radiator
doesn’t have to be complicated. Single pipes are often used for small rooms. While this is a insulated steam riser with vent, you can do the same with a a single (or multiple) pipe
PC7060
Re: 1/2" tin-coated steel tubing that matches CTS in old fin-tube system
Out here, they called it Bundyweld and they made it during the war. They used it for radiant tubing, but it didn't last long.
HeatingHelp download on Bundyweld here.
Re: Unico potable water furnace, expansion tank pressure
Hi, This is the sort of gauge I was thinking about, that could be put onto heater drains.
Yours, Larry
Re: Unico potable water furnace, expansion tank pressure
That looks like you have 70 PSI water pressure on your system. DO NOT set the air pressure in the tank to 15 PSI. You may as well not connect the tank at all. If you want the tank to do the job it was intended to do, set that air pressure WITH THE TANK NOT CONNECTED TO THE SYSTEM to 65 -70 PSI air pressure.
If the tank is connected to the water pressure in the system, the water pressure in the system will compress whatever air is in that tank to 70 PSI. Don't measure the tank air pressure with water pressure on the other side of the tank.
Re: HVAC in New Construction in 2024
That table is full system COP including outdoor and indoor unit loads. A bad install can definitely hurt efficiency, but that is the case with any setup regardless of furnace/boiler/heat pump.
Anything duel fuel only makes sense if you already have the equipment. When you do the math on cost, the savings are in the order tens of dollars per year, so ROI of installing any extra equipment is never.
Kaos
Converting to a hot water heater
I had the annual Buderus furnace maintenance done recently. The hot water heating tank is integrated. I asked about checking the anode that self-deteriorates instead of the lining of the hot water tank. The tech showed me the price of draining the tank and checking/possibly replacing the anode. He also pointed out the system is 23 years old, and that age should be considered. He talked about a seperate water heater option. I declined checking the anode for now, even though it's about 5 years old.
The tech was describing a system I believe where the hot water is still produced by the furnace, but stored and partially heated in the stand alone electric heater. I'm thinking toward more of a completely seperate hot water heater. A co-worker with such a system turns his furnace off during warm weather. I like that option. Maybe the overall operating cost would be less with the somewhat integrated system using both the furnace and hot water heater? But I suppose the up front cost would be more with an integrated system.
I'm hoping nothing will have to be done for a while. The company i used just installed a new Roth double wall oil tank. It was only about $100 more than the standard Granby oil tank like what I had previously.
Re: Carlin Hot water heater keeps going on and off.
You find it on your combustion analyzer. Its DIY, until its not. Find an oil burner tech.
HVACNUT
Re: Carlin Hot water heater keeps going on and off.
Those numbers are found using the combustion analyzer that your Tech should have used on the most recent service. If your Tech does not have one of these Combustion Analyzer things along with a Smoke tester for oil heating work, then I would fire him and hire someone that knows how oil burners actually work.
There are several reasons for a primary control to go off by the safety lockout. …and did you know that you are only supposed to RESET ONLY ONCE. That is taught in every technical school when the students are learning about oil heat primary controls. I'm just saying that it sounds like your Tech does not subscribe to that well known rule of the trade. If the control locks out after you have reset it once, then the knowledgeable tech would take the burner apart and find the cause.
- Partially plugged oil filter
- Partially plugged fuel pump screen
- Partially plugged nozzle
- Dirty ignitors
- Ignitors out of adjustment
- Ignitor insulators cracked
- Ignition transformer or electronic ignition failing intermittently
- Incorrect combustion air adjustment
- Incorrect fuel pressure
- Partially plugged fuel line from the tank.
These are just the first 10 reasons that a technician with over 40 years experience might think of off the top of his head. There are many more reasons. Maybe these reasons will help to refresh your technician’s memory about what might be the reason for the flame failure lockout!
But don't be too harsh on your technician, everyone needs to start somewhere!
Mr. Ed
Re: AO Smith Gas Water Heater Warranty Replacement
water heater manufacturers are fairly eager to just process warranty lol. I do think the most pressing concern is getting a plumber in there that knows how to sweat copper!
GGross