Multi-Try Ignition: Three-try sequence maximizes burner startup reliability in cold-start conditions

ensure your mounting surface is compatible with standard SMD bracket footprints

This TUB series expansion valve is optimized for R404A/R507A refrigerants

this motor carries an alternate rating for 200V/400V operation at 50Hz

Carrier HH19ZA190 Limit Switch 319847-401 Multi-Try Ignition: Three-try sequence maximizesThe Carrier HH19ZA190 Limit Switch is a critical safety component engineered for precise thermal monitoring in residential and commercial HVAC furnace systems. This temperature actuated switch is designed to protect equipment and ductwork from overheating by interrupting the electrical circuit when the high limit threshold is reached. Specifically calibrated with a 190F Open and 150F Close thermal profile, it serves as a reliable flame rollout switch