The Robertshaw 1980-030 is a high-performance 30-inch snap-fit thermocouple engineered for rapid response and reliable flame sensing in standing pilot systems

Mueller W40313 5/16 x 5/16 x 5/16 Copper CxCxC Tee

Durable Construction: Engineered to withstand the rigors of high-temperature HVAC environments without premature failure or drifting setpoints

and the "5" side is dedicated to the condenser fan motor

QwikCheck QT2000 Acid Test Kit The Robertshaw 1980-030 is aThe QwikCheck QT2000 Acid Test Kit is a field essential diagnostic tool designed for the rapid detection of refrigerant inorganic acid in operating HVACR systems. Engineering to meet ARI 700 standards, this kit provides a high sensitivity readout down to 1 ppm, allowing technicians to identify potential compressor burnout risks before catastrophic failure occurs. Unlike traditional oil based titration kits that require system opening and lubricant