Cooling Valve DBV

REGULUS DBV-1 3/4" DN20 Insulated Dual-Function Cooling Valve – Protect Your Boiler from Overheating Solid fuel boilers can easily overheat, especially during a power outage when the circulation pump stops working. Without circulation, heat is trapped inside the boiler and the water temperature rises dangerously fast. The Regulus DBV-1 cooling valve is the reliable safeguard every boiler needs. It works without electricity, opening automatically at 100°C to let in cooling water from the mains supply. This immediately cools the boiler, preventing overheating and protecting your system from damage. Key Benefits: Works even during power failures – no electricity required Automatic protection against boiler overheating High safety: opens at 100°C, max operating temperature 120°C Built to handle pressure – 4 bar boiler pressure / 6 bar cooling water pressure Durable insulated design for long life and reliable performance Technical Details: Nominal flow rate at Δp 1 bar: 1.90 m³/h Mounting thread: 3/4" (DN20) Outside thread: 26.2 mm Inside thread: 24.9 mm Measuring element length (with thread): 52.1 mm Protect your investment – the Regulus DBV-1 is a simple, reliable, and maintenance-free way to ensure your boiler’s safety. We don’t just sell – we also provide professional installation and full service. With us, you get complete support from purchase to long-term maintenance. 0852282331