INTA ZERO - ANTI-FREEZE VALVE 35MM

Inta Zero Anti‑Freeze Valve – 35mm | Essential Heat Pump Protection

The Inta Zero 35mm Anti‑Freeze Valve offers robust protection for water-based heating and heat pump systems, specifically designed to automatically discharge water when temperatures drop to around 3 °C, preventing ice formation that could cause expensive system damage.

With a 35mm connection, this version is ideal for larger bore systems and high-volume installations often found in commercial heat pump setups or larger domestic circuits. It's a reliable and passive safeguard for any cold-weather heating installation.

Why You Should Buy This Valve

✔ Tailored for 35mm Pipework – Perfect for larger heat pump loops and higher-capacity hydronic circuits.
✔ Trusted Freeze Protection – Automatically discharges at 3°C to prevent ice-related failures.
✔ Protects Key System Components – Minimises risk to compressors, pumps, and pipework.
✔ Zero-Energy Operation – No sensors or controls required — works purely on thermal response.
✔ Peace of Mind for Installers – Designed to meet tough demands in commercial or exposed environments.

Key Specifications

• Brand: Inta

• Product Type: Anti‑Freeze Valve

• Connection Size: 35mm

• Activation Temperature: ~3 °C discharge point

• Use Case: Heat pump and hydronic systems

• Application: Ground-source, air-source, large domestic, commercial

• Material: Durable, corrosion-resistant construction

• Operation: Passive, temperature-based discharge

• Installation Tip: Place at the lowest point before cold spots in pipe runs

What’s in the Box

• 1 × Inta Zero Anti‑Freeze Valve – 35mm

• Installation instructions