Banging Apollo

[kevplumb]

its on high position at moment been on that for years

i can only see low..
no high on mine

odd

 

[BingoBongo]

are the rads/water heating o.k? does the pilot drop out at all?

 

[faizal]

pilot is k
fires up goes through the cycle just makes that banging sound.
heaters do warm up also hot water

 

[namsag]

We dont ask questions for the fun of it does it do it on both hi and lo .
Its a simple rocker switch
in at bottom lo
in at top hi.
Its a process of elimination

 

[faizal]

does it on both

 

[faizal]

boiler old high probely covered with dust and dirt

 

[kevplumb]

then your back to either
pump

pump overun stat

it sounds like a circulation problem