Description
The Mars 20405 is a programmable control module engineered for versatile HVAC system integration. Featuring selectable settings, this module allows technicians and system designers to tailor control parameters to match a wide range of equipment configurations and operational requirements — eliminating the need for multiple single-purpose modules.
Key Features
- Selectable settings for flexible, application-specific configuration
- Programmable module design supports multiple HVAC control scenarios
- Engineered for reliable, consistent performance in demanding HVAC environments
- Compact form factor for straightforward installation in existing control panels
- Mars quality construction for long service life and dependable operation
Applications
- Residential and light commercial HVAC control systems
- Equipment replacement and upgrade applications
- Systems requiring adaptable, field-selectable control logic
Why Choose the Mars 20405?
The selectable-setting design of the Mars 20405 programmable module reduces inventory complexity for HVAC contractors and distributors by serving multiple equipment types with a single part. Its straightforward configuration process saves time on the job site, while Mars’s proven manufacturing standards ensure the module delivers consistent, trouble-free performance throughout its service life. Whether you’re servicing existing equipment or specifying controls for a new installation, the Mars 20405 provides the flexibility and reliability professionals demand.







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