When flammable refrigerants are used in a refrigeration system, additional precautions must be taken to meet the requirements of UL 60335-2-89, 3rd edition.
At the AHR Expo, refrigerant and equipment manufacturers discussed strategies for navigating the challenges posed by the refrigerant transition in comfort cooling and its industry-wide impacts.
The Marathon SyMax Pro is the newest generation of variable-speed motor offering end users energy savings, max durability, and superior serviceability.
The RSH-50 VRMDC kit is a multi-function design with a 60 amp service disconnect breaker, surge protector, and voltage range monitor to support 120/240 single phase 60 amp double pole capacity relays between 15 to 60 amp loads.
This space-saving valve expands the utility of a boiler’s existing ¾-inch pressure relief valve (PRV) port, capitalizing on its location at the top of the unit as the ideal placement for an air vent and other accessories.
With proprietary BackBite Grip Ring Technology, these non-removable refrigerant brass push fittings give trade professionals a simple and hassle-free means of reliably joining copper a/c systems.
At the AHR Expo in Chicago, we talked industry trends with the representatives of five ductless/VRF manufacturers. The refrigerant changeover was a big topic.