steam system not hearing radiators

morris31607 · November 2014

Have steam boiler that was converted from oil to natural gas, it hasn't been ran in 4 years. Steam worked fine before stopped using it. Did conversion and it seems as if steam isn't making it to radiators, if I pull vent out it will push out after about 45 minutes, at almost no pressure. Changed all vents on radiators and 2 main vents in basement. Any suggestions greatly appreciated.

Steamhead · November 2014

Is the firing rate correct?

Did they clean the boiler thoroughly before installing the new conversion burner?

morris31607 · November 2014

Yes it was cleaned and we are running at 150000btus before oil was at 140 It doesn't seem to be building any pressure closed all valves and tried to get ptrol to kick system ran for about an hour and wouldn't shut down.

morris31607 · November 2014

Also it will run until tstat temp is reached, should it sit off on pressure before tstat?

Steamhead · November 2014

What were the combustion test results on the gas burner? What make and model are the burner and the boiler?

morris31607 · November 2014

Not sure on comb test boiler is peerless ec03 will have to get Burnet type later when out of work

BobC · November 2014

Clock the gas meter to check how much gas it is using, this tells you how to do that.

http://www.aprsupply.com/support/technical-support/checking-firing-rate-(clocking-meter)

Bob

morris31607 · November 2014

Thanks will check this and let u know in morning

steam system not hearing radiators

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