The Caleffi 676500A is a TwisTop+ thermo-electric zone valve.
Best for residential and light commercial zoning where silent operation matters.
Specifications sourced from Caleffi North America technical literature. Last reviewed July 2026.
Key Features
Valve Body Only, No Actuator
Supplied as the valve body without an actuator. A Caleffi thermo-electric actuator is ordered separately, so the body can be installed first and actuated at commissioning.
Flow Coefficient 5.6 Cv
Rated at 5.6 Cv, allowing pressure drop to be calculated directly.
Technical Specifications
| Product Type | Thermo-Electric Zone Valve |
| Flow Coefficient (Cv) | 5.6 |
| Maximum operating pressure | 150 psi |
| Medium temperature range | 40 - 200 °F |
| Maximum delta p | 35 psi |
| Material | brass |
| Series | TwisTop+ |
Documentation
Related Products
- Caleffi 676746A : TwisTop+ Zone Valve 1/2" Press 24V
- Caleffi 676748A : TwisTop+ Zone Valve 1/2" PEX Expansion 24V
- Caleffi 676749A : TwisTop+ Zone Valve 1/2" Sweat 24V
- Caleffi 676756A : TwisTop+ Zone Valve 3/4" Press 24V
Frequently Asked Questions
Does Caleffi 676500A include an actuator?
No. It is supplied as the valve body only. A Caleffi thermo-electric actuator is ordered separately, which lets the body be installed during rough-in and actuated later.
What is the flow capacity of Caleffi 676500A?
It is rated at 5.6 Cv.
What is the warranty on Caleffi 676500A?
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 Zone Valve
- Product Family:
- Thermo-electric Zone Valves
- Series:
- TwisTop+
- Supplied As:
- Valve Body Only
- Flow Coefficient:
- 5.6 Cv
- Max Operating Pressure:
- 150 psi
- Medium Temperature Range:
- 40 - 200 deg F