BASO K15DA-36 Thermocouple

The BASO K15DA-36 is a professional-grade 36-inch thermocouple engineered specifically for high-reliability in standing pilot ignition systems. This component generates a consistent 20-28 mV open circuit range, ensuring precise flame sensing and safety shut-off performance for commercial HVACR and industrial heating equipment. As a direct replacement for Johnson Controls K15DS-36 and identical to the K15DA-36H, this unit features a standard 11/32-32 male nut connector for seamless integration into existing pilot burner assemblies. The robust construction includes a high-performance inner element and a nickel-plated outer sheath to withstand hot junction temperatures up to 1500°F while resisting the corrosive effects of ambient combustion byproducts. This replacement thermocouple is the industry standard for technicians servicing boilers, furnaces, and water heaters that require a threaded, high-output lead to maintain consistent millivolt signals to the gas control valve.

• Universal Compatibility: Drop-in replacement for BASO K15DS-36 and K15DA-36H models, maintaining total system integrity.
• Optimized Signal: Delivers a stable 20-28 mV open circuit output to ensure the electromagnetic coil in the gas valve stays energized.
• Thermal Resilience: Rated for a 1500°F maximum hot junction temperature, providing long-term reliability in continuous-duty standing pilot applications.
• Secure Connection: Features an 11/32-32 threaded nut for a gas-tight, vibration-resistant fit into the safety control block.

Common Questions

Is the BASO K15DA-36 compatible with millivolt gas valves?
Yes, this thermocouple is designed to provide the necessary 20-28 mV range required by standard standing pilot gas valves and safety switches. Always verify lead length to ensure the 36-inch reach is sufficient for your specific appliance footprint.

Can this replace the K15DS-36 model?
Absolutely. The K15DA-36 is technically identical to the K15DS-36 and K15DA-36H variants, featuring the same electrical characteristics and mechanical threading.

What causes a thermocouple signal to drop below the required 20 mV?
Low voltage is typically caused by improper pilot flame impingement on the hot junction, soot accumulation on the tip, or loose connections at the gas valve body. Ensure the top 1/2-inch of the tip is engulfed in the flame for peak output.

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.