Alternate part numbers include 42-101233-02, 42-23648-03, 42-24064-01, 42-24194-02, 42-24335-03 and 42-22682-03.. This switch is a protective device designed to open under conditions that may be harmful. Opening stops the operation of the HVAC system. Pressure settings are very delicate and any change in the setting by installing a different switch could cause a safety issue, so be sure to replace the old switch with an exact match.. This kit includes the pressure switch, (2) 64-17606-03 4-1/2 inch red nylon cable ties, (1) 686032 1/8 inch x 3/16 inch plastic coupling, (1) 791004 36 inch long silicone rubber tubing, and (3) AS-50201-09-U2 wire assemblies.. Heating, ventilation, air conditioning, or refrigeration parts and accessories should only be installed by qualified technicians.. Supplying Demand replacement parts are compatible with Major Brands, but you should always verify fitment with your specific application. SD products come in Supplying Demand packaging..
