NIBCO NBD3JH6 QT763X 1/2 in Quarter-Turn Sillcock

NIBCO NBD3JH6 QT763X 1/2" Quarter-Turn Low Pressure Sillcock Brand: NIBCO SKU: NBD3JH6 Product Overview The NIBCO NBD3JH6 QT763X is a 1/2" brass quarter-turn low pressure angle sillcock with solder x hose connections. Designed as an exterior shutoff valve for compatible low-pressure water systems, this sillcock features a zinc quarter-turn handle, brass body, brass ball, PTFE seat, nitrile O-ring, and hose-thread outlet. The 90-degree quarter-turn operation makes it easy to open or close the valve quickly for outdoor hose connections, utility water access, maintenance areas, and compatible non-potable low-pressure water applications. Key Features: 1/2" Nominal Size: Designed for compatible 1/2" solder inlet installations. Solder x Hose Connection: QT763X configuration uses a solder inlet connection with a hose-thread outlet. Quarter-Turn Operation: Zinc handle turns 90 degrees for quick open and close control. Angle Sillcock Design: Provides an exterior-style hose connection for compatible low-pressure water systems. Brass Body: Brass ASTM B 283 UNS C37700 body construction for durable valve performance. Brass Ball: Brass ASTM B 16 UNS C36000 ball provides reliable shutoff control. PTFE Seat: PTFE seat supports smooth valve operation and sealing performance. Nitrile O-Ring: Nitrile O-ring helps seal the operating stem area. cUPC Listed: NIBCO lists the QTX Series as IAPMO listed to cUPC. Compact Dimensions: NIBCO lists the 1/2" QT763X with A dimension 1.38" and B dimension 1.54". Lightweight Build: Approximate net weight listed at 0.43 lb. Technical Specifications: Model: QT763X Material Number: NBD3JH6 Product Type: Quarter-Turn Low Pressure Angle Sillcock Brand: NIBCO Series: QTX Series Nominal Size: 1/2" Connection Type: Solder to hose Valve Style: Angle sillcock Operation: Quarter-turn handle Handle Material: Zinc Stem Material: Brass ASTM B 16 UNS C36000 Ball Material: Brass ASTM B 16 UNS C36000 Body Material: Brass ASTM B 283 UNS C37700 Adapter Material: Brass ASTM B 283 UNS C37700 Seat Material: PTFE O-Ring Material: Nitrile Screw Material: Steel I.D. Tag Material: Aluminum Dimension A: 1.38" Dimension B: 1.54" Approximate Net Weight: 0.43 lb Listing: IAPMO listed to cUPC Potable Water Notice: Not for use with potable drinking water applications after January 3, 2014 Prop 65: Warning for lead exposure listed by NIBCO Package Includes: NIBCO NBD3JH6 QT763X Sillcock: 1/2" quarter-turn low pressure angle sillcock with solder x hose connections. Quarter-Turn Handle: Zinc handle for 90-degree open and close operation. Installation Supplies Not Included: Solder, flux, copper tube, pipe supports, hose washer, vacuum breaker where required, tools, and code-required accessories are sold separately. Applications: Low-Pressure Water Systems: Designed for compatible low-pressure water service where solder x hose connection is required. Exterior Hose Connections: Provides a hose-thread outlet for outdoor utility water access where allowed by code. Irrigation & Utility Water: Useful for non-potable irrigation, maintenance, washdown, and utility water applications when system requirements match. Residential Service Areas: Can be used in compatible non-potable outdoor service locations, garages, sheds, and maintenance areas. Commercial Maintenance Areas: Provides simple quarter-turn hose access for compatible low-pressure non-potable systems. Replacement Projects: Suitable for replacing a compatible solder x hose angle sillcock when size, material, and code requirements match. Installation & Use Notes: Non-Potable Notice: NIBCO states this product is not for use with potable drinking water applications after January 3, 2014. Confirm application suitability before installation. Confirm Code Requirements: Verify local plumbing code, backflow prevention requirements, pressure requirements, and potable water restrictions before use. Solder Installation: This sillcock uses a solder inlet connection. Use proper soldering practices for compatible copper tube systems. Protect Internal Parts: Avoid overheating the valve during soldering. Excess heat may damage the seat, O-ring, handle components, or internal seals. Hose Connection: Use a proper hose washer and check the hose outlet for leaks after installation. Backflow Protection: Install a vacuum breaker or backflow prevention device where required by plumbing code or site conditions. Quarter-Turn Operation: Turn the handle 90 degrees to open or close. Do not force the handle beyond its stop points. Low-Pressure Use: This product is part of NIBCO’s QTX Series quarter-turn low pressure sillcocks. Confirm system pressure is appropriate for the valve and application. Winterization: Protect from freezing conditions. Shut off, drain, or winterize exposed piping and hose connections as required for the installation. Service Safety: Depressurize and drain the line before installation, removal, repair, or solder work. Professional Installation: Plumbing installation should be performed by a qualified professional when code, soldering, pressure, or system compatibility is unclear. California Proposition 65: NIBCO lists a warning that this product can expose users to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. Frequently Asked Questions What is the NIBCO NBD3JH6 QT763X? The NIBCO NBD3JH6 QT763X is a 1/2" brass quarter-turn low pressure angle sillcock with solder x hose connections. What size is this sillcock? NIBCO lists this QT763X configuration as 1/2" nominal size. What connection type does it use? The QT763X uses a solder inlet connection and hose-thread outlet. Is this a quarter-turn valve? Yes. The QT763X uses a zinc quarter-turn handle for 90-degree open and close operation. What material is the body made from? NIBCO lists the body material as brass ASTM B 283 UNS C37700. What material is the ball made from? NIBCO lists the ball as brass ASTM B 16 UNS C36000. What seat material does it use? NIBCO lists the seat material as PTFE. What O-ring material does it use? NIBCO lists the O-ring material as nitrile. What are the dimensions? NIBCO lists the 1/2" QT763X with dimension A at 1.38" and dimension B at 1.54". How much does it weigh? NIBCO lists approximate net weight at 0.43 lb. Is this cUPC listed? Yes. NIBCO lists the QTX Series Quarter-Turn Low Pressure Sillcocks as IAPMO listed to cUPC. Can this be used for potable drinking water? No. NIBCO’s spec sheet states this product is not for use with potable drinking water applications after January 3, 2014. Why We Like It: The NIBCO NBD3JH6 QT763X is a straightforward low-pressure sillcock for non-potable applications where a 1/2" solder x hose connection is needed. The quarter-turn handle, brass body, brass ball, PTFE seat, nitrile O-ring, compact 1.38" x 1.54" listed dimensions, cUPC listing, and NIBCO construction make it a practical choice for compatible utility water, irrigation, and maintenance hose connection points.