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The CROWN ENGINEERING 40445 is a universal electrode setting gauge designed to help technicians achieve accurate electrode spacing on oil and gas burner assemblies. Proper electrode gap and positioning are critical to reliable ignition, flame stability, and combustion efficiency. This gauge takes the guesswork out of electrode setup by providing a consistent reference during new installations and service calls. HVAC and burner service technicians rely on tools like the 40445 to meet manufacturer specifications and reduce callback rates caused by misaligned electrodes.
The 40445 is suited for use across a wide range of residential and light commercial oil-fired and gas-fired burner equipment. It is most commonly used during burner tune-ups, nozzle replacements, and electrode replacement procedures where resetting the electrode position to specification is required. The universal design allows it to adapt to various burner configurations without needing multiple gauges on hand.
Designed as a universal electrode setting tool suitable for use with a wide range of oil and gas burner assemblies in residential and light commercial heating equipment.
This gauge is used by licensed HVAC technicians and burner service professionals during electrode adjustment and replacement procedures. Always shut down the burner and disconnect or lock out power before accessing the burner assembly or adjusting electrodes. Consult the specific burner manufacturer's service documentation for the required electrode gap and positioning values before using this gauge as a reference tool.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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