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The WILLIAMS COMFORT PRODUCTS 2800-1 is a CDI Multitest Motorized System designed for use in combustion diagnostics and ignition system testing. This unit supports technicians who need a reliable, motorized testing platform to verify ignition performance and related control functions in heating systems. Weighing 1.55 pounds, the 2800-1 is a compact, self-contained tool suited for field service work. HVAC and heating technicians use it to perform systematic checks on CDI ignition components, helping confirm proper system operation before and after service calls.
The 2800-1 is applicable in residential and light commercial heating service environments where CDI ignition verification is required. It is well suited for technicians servicing gas-fired heating equipment who need a dependable multitest instrument to diagnose ignition faults and confirm system integrity. The motorized design streamlines the testing process, reducing manual steps during diagnostic procedures.
Designed as an OEM-style diagnostic tool for use with CDI ignition systems in gas-fired residential and light commercial heating equipment.
This unit is intended for use by qualified HVAC or heating service technicians. Always shut down and de-energize the heating system before connecting or disconnecting any diagnostic equipment. Follow all applicable local codes and manufacturer service procedures when performing ignition system diagnostics. Do not operate the tester in the presence of open gas leaks or flammable vapors.
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