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Brass emergency shut-off valve with sweat connections, 1/2 inch copper tube size

Jomar Valve

Jomar Valve 800-103ADDG Emergency Shut-Off Valve 1/2in Lead Free

SKU CH-SX69-1GVX1

Emergency shut-off valve for 1/2-inch copper tube with brass body rated to 250 psi, lead-free sweat ball design, and 518 gasket sealant included for glycol or water systems

  • TypePipes, Valves & Fittings
  • Emergency shut-off protects plumbing systems
  • 250 psi rating handles high-pressure demands
  • Lead-free brass body meets safety standards
  • 1/2 in sweat connection fits copper tube
  • Includes 518 gasket sealant for installation

Emergency Shut-Off Valve 1/2 in

The Jomar Valve 800-103ADDG is a lead-free brass ball valve designed for emergency shut-off in copper tube systems sized at 1/2 in. It handles glycol and water systems with a maximum pressure rating of 250 psi and includes 518 gasket sealant for installation.

Suited for residential and light commercial plumbing

This valve fits installers needing a sweat-connection ball valve for copper tubing in hydronic or potable water lines. It is not intended for threaded pipe connections, larger diameter tubing, or applications exceeding the stated pressure limit.

Rated for 250 psi working pressure

The brass body and ball mechanism comfortably manage standard hydronic heating and domestic water pressures up to 250 psi. Headroom decreases in high-rise installations or pumped systems where pressure spikes may approach or exceed this ceiling.

Highlights

  • Emergency shut-off protects plumbing systems
  • 250 psi rating handles high-pressure demands
  • Lead-free brass body meets safety standards
  • 1/2 in sweat connection fits copper tube
  • Includes 518 gasket sealant for installation

Specifications

BrandJOMAR VALVE
TypePipes, Valves & Fittings

Questions about this item

What pipe size and fitting type must I already have for this 1/2 in sweat valve to connect?

You need 1/2 in copper tube and soldering equipment for the sweat connection.

Will the 250 psi brass ball valve work on my existing glycol or water system without changing pressure ratings?

Yes, the 250 psi rating suits typical glycol and water systems using the same pressure class.

How do I confirm the 518 gasket sealant and lead-free brass are sealing correctly after installation?

Pressurise the line to operating pressure and inspect all joints for leaks; no seepage means the seal is sound.

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