The Caleffi 656344 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.
TwisTop Quick Mounting
The actuator twists onto the valve body without tools, so it can be fitted or swapped without breaking the piping.
Technical Specifications
| Product Type | Thermo-Electric Actuator |
| Ambient temperature range | 32 to 122 °F (0 to 50 °C) |
| Power consumption at full capacity | 3 W |
| Protection class | IP 40 |
| Supply cable length | 0.8 m |
| Starting current | <= 250 mA |
Documentation
Related Products
- Caleffi 656354 : TwisTop Actuator 24V + Microswitch
- Caleffi 656504 : Actuator 24V
- Caleffi 656524 : Actuator 24V
Frequently Asked Questions
What does Caleffi 656344 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 656344?
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.
- Product Type:
- Thermo-Electric Actuator
- Product Family:
- Thermo-electric Zone Valves