Description
The ZoneFirst MZS4 is a four-zone control panel engineered for residential and light commercial HVAC zoning applications. Designed to work seamlessly with up to 3-heat/3-cool (3H/3C) and heat pump systems, the MZS4 delivers precise, independent temperature control across up to four separate zones — maximizing comfort and energy efficiency throughout the building.
Powered by 24Vac damper actuators, the MZS4 integrates directly with standard low-voltage HVAC systems, making installation straightforward for HVAC professionals. Its robust design ensures reliable zone management, reducing energy waste by conditioning only the spaces that need it.
Key Features
- Controls up to four independent zones from a single panel
- Compatible with up to 3-heat/3-cool (3H/3C) HVAC systems
- Full heat pump system compatibility
- Designed for use with 24Vac damper actuators
- Supports standard low-voltage thermostat wiring
- Simplifies multi-zone installation and commissioning
- Reduces energy consumption by conditioning only occupied zones
Applications
- Residential multi-zone heating and cooling
- Light commercial zoning systems
- Heat pump zoning with up to 3H/3C staging
- New construction and retrofit zoning projects
Specifications
- Number of Zones: 4
- System Compatibility: Up to 3H/3C and Heat Pump
- Actuator Voltage: 24Vac
- Brand: ZoneFirst
- SKU: MZS4







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