Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.
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This genuine OEM Carrier pressure switch (HK06WC078) is an essential safety control that senses system pressure and shuts the unit down before unsafe conditions can damage components on the Carrier HC1AJX060000AAAA. It is calibrated at the factory to the precise trip and reset points your equipment needs, preventing operation under abnormal high or low pressure. A defective switch typically causes nuisance lockouts, a unit that starts then stops seconds later, or a system that refuses to fire. This direct-fit replacement restores proper safety sequencing and dependable startups. Installation is easy and among the quickest HVAC repairs: turn off power, pull the two spade terminals, unthread or unclip the switch from its port, and install the new one in the same orientation. Most homeowners finish in 15 to 20 minutes. Use a fresh gasket or seal where applicable and confirm there are no leaks at the connection. In stock and ships same-day on orders placed before 3PM CST. Genuine OEM calibration delivers accurate, reliable protection for your system.
This part is compatible with Carrier model HC1AJX060000AAAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.