As of March 2015, a Honeywell gas valve vr8200a is available online through Amazon.com, SupplyHouse and Keith Specialty Store. This component fits 24-volt AC gas appliances with standing pilots and capacities between 20 and 200 cubic feet per hour.
At Amazon.com, a few technical details about the valve, such as dimensions and material, are shown. Many customer reviews are offered. The valve is part of the company's free shipping program.
SupplyHouse presents a detailed description of the valve listing features and specifications. PDF file links include installation instructions and a conversion guide. Reviews are available.
The Keith Specialty Store indicates what model parts the valve is able to replace. The site has many materials related to the valve, including sales and promotional literature, installation documents and maintenance manuals.