Robertshaw 10-038 Test Adapter

The Robertshaw 10-038 Thermocouple Test Adapter is a critical diagnostic tool for technicians troubleshooting pilot-safety systems in residential and commercial gas appliances. This closed-circuit test adapter allows for precise millivolt testing under load, enabling you to measure the live output of a Type K thermocouple or thermopile while it remains connected to the gas valve magnet. By installing this tool inline between the thermocouple and the control valve, you can accurately identify whether a pilot dropout is caused by a failing power unit or a depleted millivolt signal, preventing unnecessary component replacement.

Constructed from high-grade solid brass, the Robertshaw 10-038 features standard 11/32" threads and a secure terminal tab for easy connection to your digital multimeter or millivolt test meter. It is essential for verifying "drop out" times and identifying high-resistance connections in furnaces, boilers, water heaters, and commercial kitchen equipment. This professional-grade adapter eliminates the need for complex open-circuit bench testing, providing real-time data on DC millivolts and microamps during actual appliance operation to ensure the safety and reliability of the standing pilot system.

• Closed-Circuit Diagnostics: Enables live millivolt output measurement under load without disconnecting source leads.
• Universal Compatibility: Works with standard Type K thermocouples and thermopiles across multiple gas valve brands.
• High-Accuracy Performance: Assists in identifying faulty magnet assemblies and verifying pilot-safety drop-out specifications.
• Durable Brass Construction: Built for daily field use with hand-tighten convenience and solid electrical contact points.
• Technical Versatility: Suitable for modern and legacy gas appliances, including fireplaces, water heaters, and space heaters.

• How do I connect the 10-038 to my meter? Thread the adapter into the gas valve's thermocouple port, screw the thermocouple into the back of the adapter, and attach one meter lead to the terminal tab and the other to the valve body.
• Can this adapter test millivolt thermopiles? Yes, the 10-038 is designed for both thermocouple and thermopile systems to verify proper load-carrying capacity.
• Is a wrench required for installation? While some systems are tight, the knurled brass design often allows for reliable hand-tightening to establish a proper electrical ground.

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.