The Caleffi 645114 is a Replacement LEGIOMIX actuator for Caleffi mixing valve systems. It is supplied as a service or integration component and is not a standalone mixing valve.
Best for service replacement and system integration on existing Caleffi mixing valve installations.
Specifications sourced from Caleffi NA technical literature, 2025 revisions.
Key Features
Programmable Thermal Disinfection
Scheduled high-temperature disinfection cycles help manage Legionella risk in domestic hot water systems, with logged cycle verification.
BACnet and Modbus Ready
Integrates directly with building automation for setpoint control, alarm reporting and cycle logging.
Low-Lead Brass Construction
Wetted surfaces carry a weighted average lead content below 0.25%, meeting Section 1417 of the Safe Drinking Water Act.
Technical Specifications
| Series | Accessories |
| Valve Technology | Electronic |
Related Products
- Caleffi 755052 : Modbus-to-BACnet gateway
- Caleffi F0000962 : Replacement LEGIOMIX controller
- Caleffi F69591 : Replacement recirculation sensor
- Caleffi F69888 : REPLACEMENT BATT. LEGIOMIX CIRCUITBOARD
Frequently Asked Questions
Does Caleffi 645114 include integral check valves?
No. This model is supplied without integral inlet check valves. Caleffi offers a companion model with a C in the product code for applications that require built-in crossflow protection.
What is the warranty on Caleffi 645114?
Caleffi covers this product under its standard two-year limited warranty against defects in material and workmanship from the date of purchase. ZOT Supply is an authorized Caleffi distributor.
- Product Series:
- Accessories
- Valve Technology:
- Electronic
- Application:
- System Accessory
- Integral Check Valves:
- No
- Temperature Gauge:
- No