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reducing resistance variables and potential failure points
Simplified Maintenance: Featuring a pressure balanced valve design
specifically the PD150 and PDP150 series
it is a reliable choice for millivolt applications and standard residential multi-stage setups
Carrier HH18HA199 Limit Switch 328140-751 reducing resistance variables and potentialThe Carrier HH18HA199 Limit Switch is a critical safety component designed for high temperature monitoring in HVAC induction combustion furnaces and residential heating systems. This genuine OEM replacement part is calibrated to trigger at a fixed 200 degree opening temperature, automatically interrupting the electrical circuit via its SPST (Single Pole Single Throw) configuration to prevent heat exchanger damage or hazardous rollout conditions.
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