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- Stock: In Stock
- Model: US-4-8
- MPN: US-4-8
The Grand Canyon US-4-8 is a 1/2-inch × 1/2-inch natural gas swivel union used to join gas lines or components while allowing some rotational movement during installation. This fitting is intended for use in Grand Canyon gas log and burner systems that specify a 1/2-inch NG swivel union, and should be installed and leak-tested by a qualified gas technician.
| Product Details | |
| Type | Natural gas swivel union |
| Fuel | Natural Gas (NG) |
Refractory Gas Logs
Lifetime warranty when installed indoors; 5-year warranty when installed outdoors. Normal color change from use is not covered.
Fiber Products (Cannon Balls, River Stones, Fiber Logs)
5-year warranty indoors; 2-year warranty outdoors. Normal color change from use is not covered.
GlowFire™ Logs
Ceramic-fiber construction. Lifetime warranty indoors; 2-year warranty outdoors. Normal color change from use is not covered.
Domestic Standard Gas Log Burners (coated steel; excluding controls)
Lifetime warranty when installed indoors by a professional; 1-year warranty when installed outdoors. Paint/finish is not covered. Assembled Systems (ASM) have separate burner vs. control warranties.
Domestic Stainless-Steel Gas Log Burners (-SS; excluding controls)
Lifetime warranty when installed indoors, in an outdoor fireplace, or outdoor-type room (e.g., two-/three-season rooms) by a professional. Stainless finish will brown/age with use.
Athena Stainless-Steel Fire-Pit & Fireplace Burners
5-year warranty against manufacturer defects or breakage when installed by a professional (indoor, outdoor fireplace, or outdoor-type room). Stainless finish will brown/age with use.
Valves, Pilots & Electrical Components (excluding batteries)
2-year warranty for indoor installations; 1-year for outdoor. Coverage applies only when used with Grand Canyon burners and logs. ODS pilot assemblies carry a 1-year warranty.
