this accessory provides both audible and visual notification for 4-wire conventional duct smoke detectors when a system control panel is not present

this Copeland compressor start relay features an amperage rating of 17

extending the service life of the furnace

Smith commercial water heater configurations

Advanced 20-Micron Filtration: Provides fine particulate removal to protect expansion valves and capillary tubes from clogging

GC Valves KS211AF02L7EG5 Repair Kit 322838-753 this accessory provides both audibleThe GC Valves KS211AF02L7EG5 Repair Kit is a specialized field service bundle engineered for the S211 Series 2 way normally closed piloted diaphragm valves. As a technician, you know that maintaining positive shutoff in high pressure solenoid valves requires precision matched seating surfaces. This kit provides an OEM spec diaphragm assembly, seat disc, and high grade O rings to restore valve flow control to factory standards. Designed for