BASO J998MDA-2 Pilot Burner

The BASO J998MDA-2 Pilot Burner is a high-performance standing pilot assembly engineered for technical precision in both commercial and residential gas-fired systems. This OEM pilot burner features a #8 tip arrangement, ensuring a stable flame pattern for consistent ignition across a variety of atmospheric burner configurations. Designed for field versatility, the J998MDA-2 is compatible with both natural gas and Liquid Propane (LP), shipping with the Y90AA-3223 natural gas inlet and the Y90AA-4212 LP fitting. As a direct replacement for the J998MDA-2H and a universal substitute for J10_DDA and J11_DDA (D10 & D11) series types, this unit streamlines truck stock by covering multiple legacy applications. The robust construction and "A" dimension of 0.85 inches (21.6 mm) provide the required clearance and mounting geometry for standard service calls, making it a staple for technicians maintaining HVAC gas ignition systems.

Key Benefits for Contractors

• Universal Compatibility: Serves as a primary replacement for the BASO J991MDA through J999MDA series, reducing the need for multiple SKUs.
• Dual Fuel Ready: Includes dedicated orifices and fittings for natural gas and LP gas applications right out of the box.
• Precision Engineering: The #8 tip position provides the specific flame direction needed for reliable main burner crossover.
• Simplified Installation: Comes individually packaged with all necessary mounting hardware and inlet fittings for rapid field replacement.
• OEM Reliability: Built by BASO Gas Products to meet original equipment specifications for standing pilot gas systems.

Common Questions

Is the J998MDA-2 a direct replacement for the J998MDA-2H?
Yes, the J998MDA-2 is identical in form, fit, and function to the J998MDA-2H model.

Does this pilot burner include the orifice for propane?
Yes, the package includes both the natural gas inlet fitting (Y90AA-3223) and the LP gas inlet fitting (Y90AA-4212) to ensure dual fuel capability.

Which legacy BASO series can this unit replace?
This model is a designated universal replacement for J10_DDA and J11_DDA (D10 and D11) pilot types frequently found in older commercial boilers and space heaters.

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.