Gerber plumbing replacement parts can be purchased through ChicagoFaucetShoppe.com and Grainger.com. ChicagoFaucetShoppe.com carries replacement parts for Gerber faucets and toilets including handles, stems, cartridges and toilet fill valves. The website also sells repair kits for kitchen sinks, bathroom faucets and shower valves.
Repair kits includes basic parts such as o-rings, gaskets and fittings, as well as Gerber model-specific parts such as spray diverters and adapters.
Grainger.com sells Gerber plumbing replacement parts such as shower valves, sink traps and replacement toilet bowls. Prices range from approximately $3 for a rubber spout o-ring, to nearly $650 for a replacement utility sink without a faucet, as of 2015.