Watts Water Technologies, Inc. offers float valves in a wide range of configurations, including: heavy duty mechanical, heavy duty cooler, copper heavy duty, tube fitting mini-cooler, plastic heavy duty, standard duty mechanical, etc. Model C3/8TF heavy duty cooler valves are typically utilized in refrigeration, industrial air-conditioning, and commercial applications. These valves come in 12 x 3/4" sizes, they have Buna-N seals, a bronze body construction, and can handle pressures up to 100 PSI.