Profile: Capitol Group is a distributor of plumbing, piping and HVAC products. Our plumbing products include anchors, bolts, back flow preventors, boiler feed systems, boilers, cutting oils, faucets, fittings, hydrants, gaskets, flush valves, plumbing fixtures and shower doors. We offer air cleaners, air conditioning pads, air filters, air purifiers, chimney liners, heat pumps, humidifiers, leak detectors, limit switches and thermostats.