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Re: Giant Hole in Giant Pipe
Agree. My old house had 2” copper drain and vent in the section that was added in that time frame (late 60s)mattmia2 said:Hi @watercress , I should ask where you are. I know that San Francisco has rules against using plastics over concerns of fire spreading too easily through buildings. Local code affects the advice we can give you. It's unusual for a drain line to be done in copper unless it's done to satisfy code. Yours, LarryOr it was done in the 60's to early 70's when they stopped using steel and cast iron so much but pvc was still new.

1
Re: Wrong LWCO, P Trol all blocked with Splooge
Here is a good detail dwg from Robertshaw on their mv gas valve. Simple but fickled sometimes. Most the time the terminals and connectors are tarnished and or loose and need a little sand paper action.


Re: Seeking help evaluating hydronic heating advice and options
Your house was never steam. The large black painted steel pipes are for 1930 gravity circulated hot water.
he said ... You have an old refitted steam system with these huge cast iron pipes

2
Re: Repairing Mitsubishi Mini-Split Inverter Board
Usually homeowner's insurance covers damaged done by lighting strikes.
If so your best case would be that the compressor is shorted or open and also the PCB is toast.
Any HVAC person can check the compressor. Most of these people would condemn the entire system if compressor is burned.
Warranty at best would give you parts only. PCB is easy fix. Compressor replacement not advised, IMO.
If so your best case would be that the compressor is shorted or open and also the PCB is toast.
Any HVAC person can check the compressor. Most of these people would condemn the entire system if compressor is burned.
Warranty at best would give you parts only. PCB is easy fix. Compressor replacement not advised, IMO.

3
Re: Caleffi 280 Thermostatic Mixing Valve
@OldawgBryant - good catch on the diagram. I corrected my earlier post.
Now I know that you understand it ;-)
The red thing in the photo is the B&G IAS (Inline Air Separator). It's piped to a compression tank above, and the fill valve connects underneath (not yet connected).
Below is the photo I sent to @OldawgBryant in an IM,
Eric

Now I know that you understand it ;-)
The red thing in the photo is the B&G IAS (Inline Air Separator). It's piped to a compression tank above, and the fill valve connects underneath (not yet connected).
Below is the photo I sent to @OldawgBryant in an IM,
Eric

Re: The case of the damaged drain pipe, this Friday's case
@CLamb I use EDraw for my graphics
Re: Replacement for Beckett AFG nozzle assembly
Found it. Search on Lennox here:
https://www.beckettcorp.com/support/burner-settings/
The AFG air tube assembly ending in MB used on the COWB series is the AFG50MB. You need the nozzle line for this assembly. I don't see it on the site but one could call Beckett to get the part# that would then be ordered thru a supplier.
https://www.beckettcorp.com/support/burner-settings/
The AFG air tube assembly ending in MB used on the COWB series is the AFG50MB. You need the nozzle line for this assembly. I don't see it on the site but one could call Beckett to get the part# that would then be ordered thru a supplier.
Re: Replacement for Beckett AFG nozzle assembly
Order this part https://www.supplyhouse.com/Beckett-AFG50MBAS-Air-Tube-for-Beckett-Burner
and this part also https://www.supplyhouse.com/Beckett-5394-8-Nozzle-Line

If we did not have the boiler model number Lennox COWB-3, we would need the tube length and the L1 style head info to get you something that would work.
The air tube length is the yellow line dimension. It would show up in the DEPTH column on this spec sheet above. With the part number AFG50MB you can get the correct size tube combination and just use the assembly part and scrap or save the tube for something else.
and this part also https://www.supplyhouse.com/Beckett-5394-8-Nozzle-Line

If we did not have the boiler model number Lennox COWB-3, we would need the tube length and the L1 style head info to get you something that would work.

The air tube length is the yellow line dimension. It would show up in the DEPTH column on this spec sheet above. With the part number AFG50MB you can get the correct size tube combination and just use the assembly part and scrap or save the tube for something else.