The super remote home kit would do just fine. The active home kit has a computer interface which in your case you may not need. The kit only include one lamp module which you would use for your light. Note that you need at least a 40 watt load for the module to operate reliabley. For your pump you will need an appliance module. (
[Link: x10.com] ). The remote control that is included will operate both light and pump. If you want to use your 2100 you will also need to buy an IR543. This will convert your IR signal from your remote to to an X10 code and then put it on your house wiring to operate the modules. I'm not familiar with the 2100 but it will have to learn the codes from the remote that came with the kit in order to use the 2100 for X10 control. You can get a IR543 from
[Link: homeautomationnet.com]