Boiler tune-up, increased pressure, now vents noisy

Steve Garson_2

No difference in nozzle capacity: .85 gph

Steve Garson_3

Boiler tune-up, increased pressure, now vents noisy

When my oil burner was cleaned and tuned up, the technician told me that the oil pressure was a bit low so he increased it. That didn't seem to matter at the time.

Now, a few of the air vents whistle a bit, when they did not before. The mains have plenty of venting.

When the pressure is increased, does that increase the GPH output of the nozzle and therefore increase the amount of BTU heat and steam generation.

I am running steam at 6oz with Vaportrol.

Steve

kpc_12

yes it can....

hopefully he used a smaller nozzle...kpc

Leo_9

You asked

You asked, "When the pressure is increased, does that increase the GPH output of the nozzle and therefore increase the amount of BTU heat and steam generation."?

Yes it does, if the nozzle was .85 at 100 psi and he raised it, it is now over .85gph. If he raised the pressure for a cleaner burn and you were having no problems he should have dropped the nozzle size, upped the pressure, so the firing rate would have stayed the same.

Leo

Steve Garson_2

Thanks for the answer. I guess I'll need to wait until the next tune-up to avoid paying again.

ed wallace

increased pressure noisy vents

Hi steve as the installer of your boiler i can tell you that the pump was set for 140psi what did the tech set the pressure at and did he keep the nozzle the same size

Steve Garson_2

Ed, he increased it from 120 to 140 with the same nozzle size. So maybe the two vents in question have some dirt in them?