The 800M4FR Freeze-Resistant Pressure Vacuum Breaker is engineered to provide critical backflow protection while actively preventing freeze-related damage in cold weather conditions. Designed with an integrated freeze sensor, this PVB detects temperature drops and mitigates the risk of freezing in exposed outdoor systems.
Built to safeguard potable water supplies and irrigation networks, the 800M4FR is ideal for residential, commercial, and institutional use in environments where occasional cold snaps could compromise water safety or cause costly plumbing damage.
Freeze-resistant design with built-in freeze sensor
Prevents back-siphonage and contamination of potable water
Pressure vacuum breaker with durable brass construction
Test cocks and ball valves for easy maintenance and testing
Corrosion-resistant internal components
Meets ASSE 1020 and CSA B64.1.2 standards
Top-access design for service without removing unit
Prevents freeze damage and costly system failures
Ensures compliance with water safety codes
Protects potable water in irrigation and sprinkler systems
Ideal for Qatar’s commercial or landscaped properties requiring occasional winter safeguards
Maintains system integrity in schoolyards, parks, and outdoor facilities
Perfect for use in:
Outdoor irrigation systems
Commercial landscaping
Villas, hotels & resorts
Healthcare and institutional campuses
Government and municipal facilities
Must be installed upright and above grade
Ensure proper drainage during winterization
Check that the freeze sensor is not obstructed
Test unit regularly per local code compliance
Installation should be done by licensed professionals
Property managers protecting exterior water lines
Irrigation contractors installing code-compliant systems
Engineers designing winter-ready backflow setups
Municipal and commercial buildings in cold-prone areas of Qatar
Protect your water system year-round with the 800M4FR Freeze-Resistant Pressure Vacuum Breaker. Backed by leading backflow prevention technology and integrated freeze defense, this model is ideal for Qatar’s seasonal climate zones and high-value outdoor systems. Order now from Deluxe Plumbing Supplies — Qatar’s trusted source for advanced plumbing protection solutions. Explore more on how backflow prevention supports safe plumbing systems.
Does the freeze sensor shut off water automatically?
No — the sensor alerts or helps detect freezing conditions but does not shut off flow automatically.
Can I install this below ground?
No — this unit must be installed above grade and in a vertical position.
Is it required by code?
Yes — it meets ASSE and CSA backflow prevention standards and is often required for irrigation systems.
