Combustion Depot carries timers for all your time control applications. Fan timers, light switch timers, HVAC timers, programmable timers, and more. We have the industrial and process timers you need. Mechanical, fully programmable, and fan and ventilation timers are used to control on off functions and help with issues that arise from humidity, moisture and condensation. Combustion Depot also supplies all types of HVAC timers; including break, on/off, relay, defrost, fan timers and more. Available in 24 and 120 volts, our timers will give you full control of you HVAC equipment.