The Saturn LS HVAC Pressure Switch is responsible for protecting the air conditioning loop by monitoring the force of the refrigerant and running the system only within safe parameters. Acting like the relay and sensor examples applied elsewhere in the climate chain, the HVAC Pressure Switch collects real-time pressure data and either allows or restricts compressor operation, avoiding the no-fan or wrong temperature issues that small components breaking have. When system pressure gets too low, the HVAC Pressure Switch will open the circuit, preventing the compressor from starting up to prevent oil starvation, but too high of a pressure will do the same to avoid hose rupture. Early Saturn LS models applied a single-function HVAC Pressure Switch that simply opened at one preset threshold, but later cars were built using a dual-function style with low and high limit points as well to allow more fine-tuning, lessening the likelihood of fault codes on the dash and keeping cabin comfort in check. No matter which version you have, if a tired HVAC Pressure Switch is replaced before it becomes the greatly weak link, the entire Saturn LS climate system will be reliable and avoid costly cascade failures.
Each OEM Saturn LS HVAC Pressure Switch we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.