Here's some pictures of past installations:

Viessmann Vitorond 200 with Vitotronic 200 control

Viesmann Vitotronic 200 with Vitotronic 200 control

 

Viega Climate Panel radiant heat installation

 

Weil Mclain Gold boiler

Old coal converted boiler, replaced with...

...Viessmann Vitola 200 with Vitotronic 200 control...

...and Viessmann Vitocell 100 50 gallon indirect hot water heater

Viessmann Vitorond 100 with Weil-Mclain Ultra Plus 40 hot water heater

Does your boiler look like this?

Time to replace it!!!