What kind of steam traps do you have. The most current and effective style is supposed to be the float and thermostatic type traps. They use a thermostat, very similar to the thermostat in the engine block in your car only backwards, which allows air to purge through the steam jackets until the steam comes through and closes the stat. After that the float valve allows the accumulated condensate to pass but not the steam. We had a lot of problems with the thermostatic part of ours failing early on. We've had a lot less trouble since we a: started treating our boiler water and b:started leaving the boiler on 24/7 instead of shutting it down when it wasn't in use. Parts for steam traps can probably be sourced through a local HVAC supply shop like CD Jones.
Free State Brewing Co.