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Messages - mlappin

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1
General Outdoor Furnace Discussion / Re: Titanium steel
« on: January 26, 2022, 03:29:10 PM »
I have some 409 lab reports from HeatMaster, say melted and made in the USA, doesnít say anything about where the ingredients originated from.

2
General Outdoor Furnace Discussion / Re: Heat loss, underground piping
« on: January 20, 2022, 03:37:06 PM »
Its highly unlikely your moving 10gpm, more likely 7-8 gpm

3
General Outdoor Furnace Discussion / Re: Water Treatment Revisited
« on: October 20, 2021, 03:18:46 PM »
I take it they figure once the rust is gone the caustic soda wonít have anything to react to?

4
Plumbing / Re: How can this be usable?
« on: September 16, 2021, 02:17:17 PM »
Iím amazed a 10 can even begin to get enough heat into the house loop. thats gotta be a see it to believe it things.

5
Polar Furnace / Re: Chimney Height on G2
« on: September 16, 2021, 02:15:56 PM »
Generally, not alway though, adding stack will increase draw, as long as your door seals are good and the damper shuts tight shouldnít be an issue.

6
Plumbing / Re: grundfos 26-99F vs. 26-99FC
« on: September 07, 2021, 08:50:50 AM »
The FC has a check valve in it and just the F does not. I think the F means it is a flanged model.
The single speed pumps have UP before the number and 3 speed pumps have UPS.

Is that it? They could leave that check valve out but include it in the box. Ive literally removed the check valve in 99.9% of my installs.

7
Plumbing / Re: grundfos 26-99F vs. 26-99FC
« on: September 06, 2021, 05:20:56 PM »
An F is a single speed while an FC is a three speed

8
Equipment / Re: Dash cam
« on: March 21, 2021, 11:53:34 AM »
Them Toolkits are slicker than snot on a doorknob. The neighbors have one and even have a finishing mower for it.

9
Plumbing / MOVED: Overheating issue/question
« on: March 15, 2021, 07:29:23 PM »

10
Mahoning / Re: Overheating issue/question
« on: March 15, 2021, 07:28:22 PM »
So if I understand correctly Mahonings have a secondary coil in the water jacket to heat your domestic hot water and at the furnace is a T&P valve just like a water heater?

11
Mahoning / Re: Overheating issue/question
« on: March 15, 2021, 01:39:31 PM »
My OW Furnace appeared to be overheating so I took a closer look. Noticed my T&P valve stuck open (defective?) and water a little more than trickling out. The water temperature is within the normal temperature limits and just wanted to get some feedback? I believe it  is just a T&P valve replacement? Can anything else cause the issue I am seeing or does it look like a T&P valve replacement? Thanks!

After some further investigation it appears the pressure valve is releasing at a lower temp (150 - 175 degrees F). I will replace the valve.

I didnít realize Mahonings were pressurized. If replacing the valve solves it post back so others can see the fix if they have the same issue.

12
General Outdoor Furnace Discussion / Re: Shutting down wood boiler
« on: February 11, 2021, 09:36:51 PM »
Youíre primary source of heat in the house should back feed heat to the boiler.

13
General Outdoor Furnace Discussion / Re: Water to Air Exchanger
« on: December 30, 2020, 08:02:00 PM »
Generally no, long as the exchanger used fills the duct completely. How old is the original construction?

Iím dealing with a OLD farmhouse, few heat runs and even less cold air returns. Iíve been adding zone heating of one kind or another to the cool rooms. All the upstairs bedrooms will be getting wall heat when remodeled.

14
Plumbing / Re: Wilo pumps
« on: December 30, 2020, 07:27:05 PM »
Bringing back an old thread hoping to see if there is any new info since then. The place I was getting Grundfos pumps from no longer sells them  so my costs will be a lot higher.



HmmÖDodd brothers?

15
Plumbing / Re: Brass fittings
« on: December 28, 2020, 09:11:30 AM »
Were these fittings on the domestic side or boiler side?
I saw a HeatMaster unit with various fittings honeycombed thin recently. Turns out they were using some odd powdered water treatment. I think electrolysis was doing its thing.

Much like in a diesel I imagine. I have a sleeve out of a Waukesha that had numerous pits around the bottom ring and one made it clear thru the liner eventually.

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