Description
The Tekmar 742 is a precision-engineered modulating actuator designed for demanding hydronic and HVAC control applications. Accepting both 24Vac and 24Vdc input signals, this versatile actuator integrates seamlessly into a wide range of building automation and zone control systems without the need for additional signal conditioning.
Key Features
- Dual-voltage compatibility: operates on 24Vac or 24Vdc control signals
- 88 in/lbs of torque output for reliable valve and damper actuation
- 90-degree rotation for precise quarter-turn valve positioning
- 140-second open/close timing for smooth, modulating control
- Modulating control mode for accurate proportional positioning
- Designed for integration with Tekmar and compatible control systems
Performance Specifications
- Input Voltage: 24Vac / 24Vdc
- Torque: 88 in/lbs
- Rotation: 90 degrees
- Open/Close Timing: 140 seconds
- Control Type: Modulating
Applications
- Hydronic heating and cooling systems
- Zone valve and ball valve actuation
- Building automation and energy management systems
- Commercial and residential HVAC control applications
Why Choose the Tekmar 742?
The Tekmar 742 modulating actuator delivers the torque, timing, and signal flexibility that HVAC professionals demand. Its 88 in/lbs of torque ensures positive valve seating even under high system pressures, while the 140-second travel time provides the gradual, modulating movement needed to prevent system shock and maintain precise temperature control. Whether you are retrofitting an existing system or commissioning a new installation, the Tekmar 742 is a dependable solution built to Tekmar’s exacting quality standards.
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