Dayton Refrigeration Service Inc. distributes thermostatic expansion valves manufactured by Parker. The valves feature nominal cooling capacity ranges of 1/4 to 1 ton, 1-1/2 to 3 tons, and 1-1/2 to 4 tons.

Honeywell manufactures thermostatic mixing valves designed to prevent scalding by maintaining the temperature of water that leaves residential hot water heaters. The valves increase water heater output by up to 40 percent.

P.C. McKenzie distributes Amot Controls Corp.-brand thermostatic control valves that range in sizes from 1/2" to 16", and feature water flow rates of 2 GPM to 2800 GPM.

Select Safety Sales distributes Speakman-brand thermostatic mixing valves used on eyewash stations and deluge showers. The SE-370 series has minimum flow pressure of 30 psi with a maximum static pressure of 125 psi.