Flow Coefficient5.6 Cv
Max Pressure150 psi
Warranty2-Year Limited
The Caleffi 676500A is a TwisTop+ thermo-electric zone valve.
Best for residential and light commercial zoning where silent operation matters.
Specifications transcribed from Caleffi technical brochure 01072 NA. Last verified August 2026.
Warranty
Caleffi 2-Year Limited Warranty. Caleffi North America warrants this product free from defects in material and workmanship for two years from the date of transfer of ownership - the point Caleffi hands the goods to the first carrier - subject to correct installation and use. Coverage runs to the purchaser identified as "Ship To" on Caleffi's order confirmation and is subject to the eligibility conditions, exclusions and remedies set out in Caleffi North America's published Limited Warranty and Terms and Conditions of Sale. This summary is provided for convenience and does not replace those documents.
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.
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 transfer of ownership (when the goods are handed to the first carrier), when installed and operated in accordance with published instructions. Coverage runs to the purchaser identified as "Ship To" on Caleffi's order confirmation and is subject to the eligibility conditions, exclusions and remedies set out in Caleffi North America's published Limited Warranty and Terms and Conditions of Sale. This summary is provided for convenience and does not replace those documents. 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
