No skim connection was installed on our peerless.. our options?

Hi All,

We are finishing up an upgrade of our building which has included replacing the radiator valves (with TRVs) and traps on 83 radiators. We are almost done (thanks for the past advice from forum members)!

We've been running the boiler for a couple of days now and i've noticed short cycling (on for 1 minute, off for 1 minute, repeat) and other weirdness like water level dropping to 0 when condensate pump triggers [dan's book and boiler manual says this might be caused by the lack of a speed limiter on the condensate pump output].

ANYWAY, before i ask for help on the short cycling and water level issues, what i really wanted to ask about was this:

The peerless boiler that was installed a year ago, prior to me getting involved (model 211A-08), calls for a skim connection to be installed. When i went to skim the boiler i discovered that they didn't install one.

My question is: what should we do about this? Just forget it? Can one be retrofitted for a reasonable cost? can we skim from another place like where the low-water blow down thing is? Is this a big deal that they didn't install a skim connection like the instructions say should be installed -- they seemed to have piped the rest properly.

One extra thing that *really* confuses me that might be relevant. The boiler instruction/installation manual shows clearly that there are is nothing attached to back of boiler -- and yet in our installation at the near the very bottom and end is a valve that is connected to one of the boiler sections. In the peerless manual i think it's labeled 'F: 1" NPT Tapping, Lower' OR maybe "G: 1 1/2" NPT Tapping, Back, Blowdown" Don't know what these are for.

I have no idea why this is there.

Thank you in advance -- hoping someone can shed some light on these mysteries -- i'm just a simple building manager but i'm *LOVING* learning about these steam heating systems.