Carrier 52CQ500394 Replacement Knob L99H008 The adjustment is made by

The adjustment is made by loosening the linkage pin and sliding it along the slotted arm to your required radius between 1" and 2-3/4" before tightening

the rod simplifies integration into Gems/Warrick Series 3E

Field technicians prioritize this Robertshaw ignition part because of its durable ceramic insulation and secure mounting bracket

Always verify your unit's series number before installation to ensure the PWM signal and voltage requirements match

provided the internal metering components are properly sized by the technician

Carrier 52CQ500394 Replacement Knob L99H008 The adjustment is made byThe Carrier 52CQ500394 Replacement Knob is a critical OEM component designed for precise HVAC control interface restoration in specific Carrier and Bryant PTAC or window units. This heavy duty PTAC selector knob allows technicians to restore full functional control over fan speeds and temperature settings, ensuring the internal switch assembly is not compromised by stripped or cracked plastic interfaces. Engineered as a direct OEM replacement part,