Float‑operated automatic deaerator valve for solar thermal circuits
The Automatic Air‑Vent Valve ECO is engineered to continuously and autonomously purge air from solar thermal systems—especially glycol loops—preserving efficiency and preventing common issues like corrosion, noise, overheating, and pump cavitation. Designed for high-temperature applications (up to 180 °C) and reliable operation under up to 10 bar pressure, it’s a maintenance-minimal solution for installations at high points such as panel headers or buffer tank tops.
€7,06
Product Details
Technical Specifications
Feature
Specification
Connection Size
3/8″ M or 1/2″ M threaded (ISO 228‑1)
Body & Cover Material
Chrome‑plated brass EN 12165 CW617N
Float Material
High-resistance polymer
Seals
EPDM or NBR elastomer—heat-resistant
Media Compatibility
Water and glycol solutions (up to 50 % glycol)
Operating Temperature
–30 °C to +180 °C (–20 °F to 360 °F)
Maximum Operating Pressure
Up to 10 bar (150 psi)
Maximum Discharge Pressure
2.5 bar (3/8″ versions) or 5 bar (1/2″) depending on model
Installation Position
Vertical only—mount at system high points (e.g. panel manifolds or tank tops)
Maintenance Note
Should be combined with an upstream shut-off valve for safe isolation during service or commissioning
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