Watts 8B Hose Bibb Vacuum Breaker - Domestic
Item Number: 0061983Brand - Watts
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- Hose Thread Size: 3/4 inch
- Weight: 23.0 lb
- Body Material: Brass
- Maximum Operating Pressure: 125 PSI
- Maximum Operating Temperature: 180°F
- Tamper-resistant with break-away set screw
- Inlet Connection: 3/4" Standard Female Hose Thread
- Outlet Connection: 3/4" Standard Male Hose Thread
- Not Lead Free Compliant
Description
Description
Help Me Connect
Help Me Connect
The Watts 8B Hose Connection Vacuum Breaker is designed for direct attachment to hose thread faucets. It features a 3/4 inch Standard Female Hose Thread inlet that connects to a male hose thread faucet or sill cock, and a 3/4 inch Standard Male Hose Thread outlet for attaching a portable hose.
- Connects to: 3/4 inch male hose thread faucets or sill cocks
- Connects from: 3/4 inch female hose fittings or hoses
This vacuum breaker can be installed in either a vertical or horizontal orientation. It allows for sill cock drainage to help prevent freezing by simply removing the hose coupling and pulling the knurled tip of the stem at the valve outlet.
Warranty Information
Warranty Information

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Additional Details
The Watts 8B Hose Connection Vacuum Breaker is designed to prevent the reverse flow of polluted water into the potable supply due to backsiphonage, specifically when portable hoses are attached to hose thread faucets. This device is ideal for both indoor and outdoor health hazard installations where non-continuous pressure is present.
Applications
- Service sinks
- Swimming pools
- Photo developing tanks
- Laundry tubs
- Wash racks
- Dairy barns
- Marinas
- General outside gardening
Construction & Features
- Brass body construction
- Stainless steel working parts for longevity
- Durable rubber diaphragm and disc for consistent positive seating
- Draining stem allows sill cock drainage
- Break-away set screw for tamper-resistant installations
- No special tools required for servicing
Warning: This valve should only be used in areas where spillage of water will not cause damage. Always check with local inspection authorities for installation requirements.
Warning: This product is Not Lead Free Compliant.
Specifications
- Model: 8B
- Hose Thread Size: 3/4 inch
- Body Material: Brass
- Working Parts: Stainless Steel
- Diaphragm/Disc Material: Rubber
- Maximum Operating Pressure: 125 PSI (8.6 bar)
- Maximum Operating Temperature: 180°F (82°C)
- Installation Orientation: Vertical or Horizontal
- Drainage Feature: Allows sill cock drainage
- Tamper Resistance: Break-away set screw
- Country of Origin: Made in America
Connections
- Inlet Connection: 3/4 inch Standard Female Hose Thread
- Outlet Connection: 3/4 inch Standard Male Hose Thread
Dimensions & Weight
- Overall Length (A): 1 1/2 inches (38 mm)
- Width (B): 1 3/8 inches (35 mm)
- Weight: 4.0 oz (113.4 gm)
Certificates & Approvals
- ASSE: 1011
- CSA: B64.2
- Listed by: IAPMO