Fail PositionNormally Closed
Warranty2-Year Limited
The Caleffi 656524 is a thermo-electric actuator, 24V.
Best for adding or replacing actuation on an installed Caleffi zone valve body.
Specifications sourced from Caleffi North America technical literature. Last reviewed July 2026.
Key Features
Thermo-Electric Actuation
A heated element drives the valve open or closed on a low-voltage signal, silently and without a motor.
Technical Specifications
| Product Type | Thermo-Electric Actuator |
| Fail Position | Normally Closed |
| Ambient temperature range | 32 to 140 °F (0 to 60 °C) |
| Control signal | 0-10 V |
| Power consumption at full capacity | 1.2 W |
| Protection class | IP 54 |
| Supply cable length | 1 m |
| Feedback signal | 0-10 V |
Documentation
Related Products
- Caleffi 656344 : TwisTop Actuator 24V
- Caleffi 656354 : TwisTop Actuator 24V + Microswitch
- Caleffi 656504 : Actuator 24V
Frequently Asked Questions
What does Caleffi 656524 do?
It is a thermo-electric actuator. A heated element opens or closes the valve on a low-voltage signal, silently and without a motor, and it mounts directly to a Caleffi zone valve body.
What is the warranty on Caleffi 656524?
Caleffi covers this product under its standard two-year limited warranty against defects in material and workmanship from the date of shipment. ZOT Supply is an authorized Caleffi distributor.
Caleffi 2-Year Limited Warranty. Caleffi North America warrants this product to be free from defects in material and workmanship for two years from the date of shipment, when installed and operated in accordance with published instructions. ZOT Supply is an authorized Caleffi distributor with fast nationwide and international shipping.
- Product Type:
- Thermo-Electric Actuator
- Product Family:
- Pressure Independent Control Valves (PICV)
- Fail Position:
- Normally Closed