A preferred choice for technicians working on Carrier PTAC units and rooftops

it is only compatible with SPN configurations on specific models like the EG-75

the AM-122 delivers the exact fit required for maintaining proper stroke and alignment in parallel shaft applications

1-pole double throw (SPDT) relay engineered specifically for electric furnace repair and air handler maintenance

High Temperature Rating: Certified for operation up to 240°F

McDonnell & Miller 310473 Kit A preferred choice for techniciansEnsuring consistent performance in steam and hydronic installations requires precise sediment management. The McDonnell & Miller 310473, also known as the STR WF2 Strainer and Orifice Kit, is the critical service component for WF 2 Series Uni Match Water Feeders. Professionals recognize that a clogged boiler water feeder strainer is the primary cause of restricted flow and potential dry fire conditions. This comprehensive replacement kit includes a