Description
Overview
The BASO Gas Products K19AT-18 is a Super Slim Jim Universal Replacement Thermocouple engineered for dependable performance in standing pilot ignition systems. Its slim-profile design allows it to fit in tight spaces where standard thermocouples cannot, making it a versatile, go-to replacement for a wide range of residential and light commercial heating appliances.
Key Features
- Super Slim Jim universal design for broad cross-compatibility across standing pilot heating systems
- Spring clip mounting for fast, tool-free installation and secure positioning at the pilot burner
- 18″ lead length provides flexible routing to gas valve connections
- 25–35 mV open circuit output range delivers reliable signal to gas valve safety circuits
- Designed as a direct universal replacement, reducing the need to source OEM-specific parts
- Compatible with standing pilot ignition systems in furnaces, boilers, water heaters, and other gas-fired appliances
Specifications
- SKU: K19AT-18
- Brand: BASO Gas Products
- Type: Thermocouple — Super Slim Jim Universal Replacement
- Mounting: Spring Clip
- Lead Length: 18 inches
- Open Circuit mV Range: 25–35 mV
- Application: Standing Pilot Ignition Systems
Application
Ideal for HVAC technicians and service professionals replacing worn or failed thermocouples in standing pilot gas appliances. The universal fit and spring clip attachment simplify the service call, while the slim profile ensures compatibility even in space-constrained pilot assemblies.







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