The Carrier HH18HA199 Limit Switch is a critical safety component designed for high-temperature monitoring in HVAC induction-combustion furnaces and residential heating systems

Direct OEM Compatibility: Verified replacement for 1027351R

while 240V configurations remain open

Adjustment is typically done by loosening the set screw and rotating the adjustable flange to the desired width

Siemens Combustion VKG30.080U Valve 322055-301 The Carrier HH18HA199 Limit SwitchThe Siemens Combustion VKG30. 080U Valve is a 3 inch NPT reduced port butterfly valve engineered for the precise modulation of natural gas, propane, butane, and air in burner manifolds and industrial combustion systems. Designed with a throttling disc that maintains tight control across a 90 degree stroke, this industrial gas control valve is ideal for applications requiring high resolution flow shaping. The dual internal female threads enable a