Baso Test Kit 120, Model 1158 (Pre-Owned)
Baso Test Kit 120, Model 1158 — Pre-Owned
The Baso Test Kit 120, Model 1158 is a purpose-built diagnostic instrument designed for testing and verifying gas valve controls, pilot safety systems, and thermocouple/thermopile circuits in heating equipment. A go-to tool for HVAC technicians and gas appliance service professionals, the Model 1158 simplifies troubleshooting by delivering fast, accurate readings directly at the control — no guesswork, no unnecessary part swaps.
Key Features
- Gas Valve & Pilot Safety Testing — Quickly verifies the operation of millivolt gas valve controls and pilot safety shutoff systems
- Thermocouple & Thermopile Circuit Testing — Measures millivolt output to confirm thermocouple and thermopile performance under load and open-circuit conditions
- Millivolt Meter — Accurate millivolt readings allow technicians to diagnose weak or failing pilot safety components before they cause nuisance shutdowns
- Compact & Portable — Lightweight design fits easily in a service bag; built for on-site diagnostic work in tight equipment spaces
- Simple Operation — Straightforward connections and clear readout minimize setup time and reduce diagnostic errors in the field
- Durable Construction — Built to withstand the rigors of regular field service use
Ideal For
- HVAC service technicians working on gas furnaces, boilers, and water heaters
- Gas appliance repair professionals diagnosing pilot safety and valve control issues
- Facilities maintenance teams servicing commercial heating equipment
- Technicians and collectors seeking reliable vintage Baso diagnostic tooling
Pre-Owned Condition Disclosure
This unit is sold as-is, pre-owned. It has been inspected and is in working condition consistent with its age and prior service use. Cosmetic wear — including scuffs, scratches, or label fading — may be present and is expected on vintage test equipment of this type. No warranty is expressed or implied. All sales are final.
Reliable, proven diagnostics from a trusted name in gas control testing — the Baso Model 1158 is ready to get back on the job.