Description
The International Environmental 71488513 is a 24-volt, normally open (N.O.) Taco-compatible zone valve actuator designed for dependable hydronic zone control in residential and light commercial heating systems. With a generous 96-inch (8-foot) lead wire, this actuator provides flexible installation clearance, reducing the need for additional wiring extensions in tight mechanical spaces.
Key Features
- 24V operating voltage for compatibility with standard low-voltage hydronic control systems
- Normally Open (N.O.) configuration — valve opens in the de-energized state for fail-safe operation
- 3-Wire / 2-Wire (3W/2W) design supports both end-switch and non-end-switch wiring configurations
- Taco actuator format — engineered for direct use with Taco-style zone valve bodies
- 96-inch (8 ft) lead wires for extended reach and installation flexibility
- Compact actuator head for easy replacement or retrofit on existing valve bodies
Typical Applications
- Hydronic radiant floor heating zone control
- Baseboard hot water heating systems
- Fan coil unit zone valve actuation
- Residential and light commercial boiler zoning
Specifications
- SKU: 71488513
- Brand: International Environmental
- Voltage: 24V
- Operation: Normally Open (N.O.)
- Wiring: 3-Wire / 2-Wire (3W/2W)
- Actuator Type: Taco-Compatible
- Lead Wire Length: 96 inches (8 feet)







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