Professional Grade Durability: Engineered to handle high-demand refrigerant flow in residential and commercial split-system applications

NFC Configuration: Simplifies setup by allowing technicians to adjust hard start times and low-speed cutoffs via a smartphone

Standard practice requires replacing seals whenever the refrigerant circuit is opened

70" WC negative pressure threshold

this valve is a staple for technicians maintaining boilers

TB Woods 9H Sleeve Refrigerant Professional Grade Durability: Engineered toThe TB Woods 9H Sleeve is a professional grade Sure Flex Plus coupling insert engineered for high torque applications requiring minimal torsional wind up. Molded from Hytrel (thermoplastic elastomer), this single piece solid design provides significantly higher torque capacity than standard EPDM or Neoprene sleeves. Specifically designed for use with size 9 Sure Flex Plus flanges, the 9H sleeve excels in high temperature environments and remains