Why the steam pressure of the boiler not rise?

When it is found that the boiler steam pressure can't rise, the first thing we should do is to check whether the water pump of the gas-fired steam boiler works and how much the pressure of the water pump of the gas-fired steam boiler can reach. When installing the water pump of the gas-fired steam boiler, a pressure gauge is installed on the water pump. This is because, if the gas-fired steam boiler does not add water, it can be detected whether it is caused by the water pump.

Then check whether the pressure gauge is broken. Check whether the induced draft fan is reversed. It may be that the power cord of the induced draft fan is connected backwards.