Pegasus Astro DewZap Dual Channel Dew Heater Controller
Keep your optics clear and your imaging sessions running smoothly with the Pegasus Astro DewZap — a compact dual-channel dew heater controller designed for astrophotography and observatory setups.
With independent RCA outputs, PWM power control and up to 10A total capacity, DewZap delivers reliable dew prevention for telescopes, guide scopes, cameras and accessories.
Key Features
Dual Independent Outputs
Control two dew heater channels independently using the integrated adjustment knobs.
PWM Power Control
Efficient Pulse Width Modulation technology delivers smooth heater regulation from 0–100% while reducing unnecessary power consumption.
High Power Capacity
Supports up to 5A per channel (10A total), ideal for larger dew straps and multi-device setups.
LED Status Indicators
Front-facing LEDs provide instant visual feedback for each output channel.
Designed for Astrophotography
DewZap is built for demanding astrophotography sessions where stable power delivery and reliable dew prevention are essential.
- Telescope dew heaters
- Guide scope heaters
- Observatory installations
- Telescope cooling fans
- Flat panels and lightboxes
Technical Specifications
| Input Voltage | 12V – 13.8V DC |
| Outputs | 2 x RCA |
| Control Type | PWM Duty Cycle |
| Current Capacity | 5A per channel |
| Total Capacity | 10A |
| Power Connector | 2.1mm Centre Positive |
| Dimensions | 66 × 66 × 28 mm |
In The Box
- Pegasus Astro DewZap Controller