Why boiler furnace pressure maintained slightly vacuum?

Why boiler furnace pressure maintained slightly vacuum? Why positive pressure are not recommended?

Replies

  • Ramani Aswath
    Ramani Aswath

    So that air for combustion to go in and also prevent flue gases coming into the boiler room.

You are reading an archived discussion.

Related Posts

why Convergent-divergent nozzle has higher expansion ratio
We are designing tricycle capable of carrying 2 passengers....We are using compound gear train and load applied is 200kg how can we calculate torque and effort and also force analysis 
I have two year backs in engineering as i had too many back logs therefore could not clear it at one go.I joined engineering in 2012 and my actual passed...
I have try to connect the bluetooth module to my phone. I have programmed it by using arduino. I am getting the msg of connecting but not getting the msg...
I don't want to use GSM module and Arduino Uno kit but want to send message .so I want the alternative to GSM module.