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DewZap is our Dual Channel Dew Heater Controller. Simple to use, powerful and very compact is your best companion against the dew during long astro – nights.

Two individual digital outputs for dew strips

DewZap has two individual digital RCA outputs. You can control its output by turning each knob on the top of the controller.

Pulse Width Modulation Duty Cycle Control

Controller was built with modern digital electronics and fully supports duty cycle (PWM) control.

Zero to 100% heater control

Knobs can drive Pulse Width Modulation duty cycle from zero to 100%

Ten (10) amps current capacity (5 amps per channel)

Powerful mosfets on each output can provide easily 5Amps per channel. There are no voltage drops there.

Reverse polarity protected.

Device is protected from reverse polarity.

LED Operation indicator

A led indicator in front of the faceplate ensures controller is operational.