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Anyone know what this is?
- Thread starter mdim
- Start date
HOTFR8
Banned
If it was for water I would say it was to stop the pipe hammer effect when you shut off the water to fast. For Gas (Propane ?) I am not sure.
oldgoaly
Well-known member
Natural or propane gas? it's a gas manifold for a one burner heater or stove, the plug would be for a pressure test port. there would be a burner assembly with an air shutter to mix gas and air so it burns properly. Not sure why there is a radiator? a heat exchanger or ????? tt
klhitman
Well-known member
Regardless of LP of NG I would say its the gas manifold and the port is where you would hook a monometer(I think I spelled that right) to adjust your gas pressure so you can get a good gas to air mix for a clean burn. Did you have a 2 stage gas valve?
When we add a turndown valve to gas HVAC units we add ports like that to adjust the low fire and high fire for clean burns. For those who don't know a what a clean burn is, its where you adjust the fuel/air mix to get you CO down and your NOX to manageable levels.
When we add a turndown valve to gas HVAC units we add ports like that to adjust the low fire and high fire for clean burns. For those who don't know a what a clean burn is, its where you adjust the fuel/air mix to get you CO down and your NOX to manageable levels.
Thanks for the replies, let me clarify my request, I just looked back and realized my original question wasn't worded well (gotta stop typing in the middle of the night).
Yes, it's a gas manifold from a NG wall heater (old one). Specifically I'm wondering why the black part is necessary as opposed to just connecting a gas line directly up to the brass nozzle. Is the manifold itself serving a specific purpose other than acting as a connection point for the nozzle (and potentially a spot for the test port)?
The shape made me think it was acting as some kind of expansion chamber and not just as a fitting.
Yes, it's a gas manifold from a NG wall heater (old one). Specifically I'm wondering why the black part is necessary as opposed to just connecting a gas line directly up to the brass nozzle. Is the manifold itself serving a specific purpose other than acting as a connection point for the nozzle (and potentially a spot for the test port)?
The shape made me think it was acting as some kind of expansion chamber and not just as a fitting.