Reznor 263999 Gas Valve

For technicians servicing high-capacity unit heaters, the Reznor 263999 is the critical OEM LP gas valve required for maintaining safe fuel regulation in propane gas heating systems. This single-stage gas valve features a 1/2-inch NPT connection and is specifically engineered to replace obsolete components like the 196850 and 196982. Designed for 24V 50/60Hz control circuits, it provides the precise pressure regulation necessary for the high-performance UDAP, UDAS, UDBP, and UDBS unit heater series, supporting models ranging from the 30 through 200 sizes. The Reznor RZ263999 replacement valve utilizes a slow-open port configuration to prevent ignition roll-out, ensuring smooth burner transitions in commercial and industrial environments. This HVAC gas valve replacement is a direct-fit part that eliminates the need for field modifications on compatible Reznor equipment, ensuring your manifold pressure remains within manufacturer specifications for optimal combustion efficiency and equipment longevity.

• Direct OEM Compatibility: Engineered specifically for Reznor UDAP and UDAS unit heaters, ensuring a perfect mechanical and electrical fit.
• Precise LP Regulation: Calibrated for liquid propane applications to maintain consistent manifold pressure and safe operation.
• Durable Construction: Built with industrial-grade materials to withstand high-cycle operations in demanding HVAC environments.
• Standardized Connections: Features 1/2" x 1/2" NPT ports for seamless integration with existing gas piping.
• Single-Stage Control: Optimized for standard 24V thermostat signals, providing reliable on/off gas flow control.

• Can this valve be used for Natural Gas? No, the Reznor 263999 is strictly for LP (Propane) applications. For natural gas units, look for the 260603 or equivalent.
• Which Reznor models does this fit? It is compatible with a wide range of models including the UDAP, UDAS, UDBP, UDBS, UBX, UBZ, UDX, and UDZ, specifically in the 30-200 size range.
• Does this replace older part numbers? Yes, this unit is the current replacement for part numbers 196850 and 196982.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.