LF800M4QT
Lead-Free* Antisiphon Pressure Vacuum Breaker Backflow Preventers with Freeze Sensor, Sizes: 1/2 IN - 2 IN (15mm – 50mm)
Features
- Sensor on PVB signals when temperature nears the freezing point
- Freeze alerts help extend use of the PVB device by reducing damage and repair
- Available freeze sensor connection kit to activate a monitoring system that trigger alerts for low and freezing temperatures
- Health hazard protection level
- Acetal bonnet acts as freeze plug to prevent body damage
- Seat disc is silicone rubber for durability, and an O-ring bonnet seal resists fouling
- Readily accessible test cocks for testing and winterization
- Designed for ease of maintenance with a replaceable plastic seat
- Freeze alerts feature available with add-on connection kit for Wi-Fi networks, building management systems (BMS), and irrigation management systems (IMS)
Series LF800M4QT Lead-Free* antisiphon pressure vacuum breakers include a freeze sensor for use with SentryPlus Alert® technology to signal facility personnel when temperature nears and reaches the freezing point. Freeze alerts feature available with add-on connection kit for Wi-Fi networks, building management systems (BMS), and irrigation management systems (IMS).
This series is ideal for health hazard continuous pressure applications, such as irrigation systems and industrial process water systems, when exposure to sudden freezing occurs where water enters the equipment at or below its flood rim.
To learn more visit: https://www.watts.com/freeze-detection
Literature
Select a Model
Select options below to identify the UPC, Order Code, and Repair Kit for a specific LF800M4QT
No results found
Model | Product Used On | Kit Contents |
---|---|---|
FP-BF-WiFi/BMS/IMS-FZ
Activation Kit |
</br> |
Freeze Sensor in Mounting Clip, Standalone Sensor, Activation Module, 2 Wire Nuts, Mounting Hardware, Power Adapter, Quick Start Guide</br> |
RETRO 800M4-FR 1
Retrofit Kit |
</br> |
Float Disc Assembly, Vent Spring, Bonnet, Bonnet O-ring</br> |
RK 800M4-B 1
Bonnet Kit |
</br> |
Bonnet, Bonnet O-ring, Vent Spring, Hood and Hood Screw</br> |
RK 800M4-CK 1
Check Kit |
</br> |
Check Disc Assembly (Disc and Disc Holder), Bonnet O-ring, Check Spring</br> |
RK 800M4-FR-V
Vent Float Kit |
</br> |
Float Disc Assembly, Vent Spring, Bonnet O-ring</br> |
RK 800M4-RT 1
Rubber Parts Kit |
</br> |
Vent Seal, Check Disc and Bonnet O-ring</br> |
RK 800M4-S 1
Seat Kit |
</br> |
Seat, Seat O-ring, Bonnet O-ring</br> |
RK 800M4-T 1
Total Repair Kit |
</br> |
Check Valve Repair Kit, Vent Float Repair Kit, Bonnet Assembly Repair Kit, Seat Repair Kit</br> |
RK 800M4-V 1
Vent Float Kit |
</br> |
Float Vent Disc Assembly (Vent Float, Seal, Spring), Bonnet O-ring</br> |
RETRO 800M4-FR 1 1/4-2
Retrofit Kit |
</br> |
Float Disc Assembly, Vent Spring, Bonnet, Bonnet O-ring, Hood and Screws</br> |
RK 800M4-B 1 1/4-2
Bonnet Kit |
</br> |
Bonnet, Bonnet O-ring, Vent Spring, Hood and Hood Screw</br> |
RK 800M4-CK 1 1/4-2
Check Kit |
</br> |
Check Disc Assembly (Disc and Disc Holder), Bonnet O-ring, Check Spring</br> |
RK 800M4-FR-V 1 1/4-2
Vent Float Kit |
</br> |
Float Disc Assembly, Vent Spring, Bonnet O-ring</br> |
RK 800M4-RT 1 1/4-2
Rubber Parts Kit |
</br> |
Vent Seal, Check Disc and Bonnet O-ring</br> |
RK 800M4-S 1 1/4-2
Seat Kit |
</br> |
Seat, Seat O-ring, Bonnet O-ring</br> |
RK 800M4-T 1 1/4-2
Total Repair Kit |
</br> |
Check Valve Repair Kit, Vent Float Repair Kit, Bonnet Assembly Repair Kit, Seat Repair Kit</br> |
RK 800M4-V 1 1/4-2
Vent Float Kit |
</br> |
Float Vent Disc Assembly (Vent Float, Seal, Spring), Bonnet O-ring</br> |
RETRO 800M4-FR 1/2-3/4
Retrofit Kit |
</br> |
Float Disc Assembly, Vent Spring, Bonnet, Bonnet O-ring</br> |
RK 800M4-B 1/2-3/4
Bonnet Kit |
</br> |
Bonnet, Bonnet O-ring, Vent Spring, Hood and Hood Screw</br> |
RK 800M4-CK 1/2-3/4
Check Kit |
</br> |
Check Disc Assembly (Disc and Disc Holder), Bonnet O-ring, Check Spring</br> |
RK 800M4FRV 1/2-3/4
Vent Float Kit |
</br> |
Float Disc Assembly, Vent Spring, Bonnet O-ring</br> |
RK 800M4-RT
Rubber Parts Kit |
</br> |
Vent Seal, Check Disc and Bonnet O-ring</br> |
RK 800M4-S 1/2-3/4
Seat Kit |
</br> |
Seat, Seat O-ring, Bonnet O-ring</br> |
RK 800M4-T 1/2-3/4
Total Repair Kit |
</br> |
Check Valve Repair Kit, Vent Float Repair Kit, Bonnet Assembly Repair Kit, Seat Repair Kit</br> |
RK 800M4-V 1/2-3/4
Vent Float Kit |
</br> |
Float Vent Disc Assembly (Vent Float, Seal, Spring), Bonnet O-ring</br> |
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Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. Some certification agencies allow you to search by product name and brand.