Does my unit require one or two prefilters

vertical installation that maintains a proper water seal

The AFC is compatible with most traditional forced-air systems

the K1-3 features heavy-duty forged brass construction capable of handling vacuum and pressures up to 5

Stainless steel trim valves require the PTFE V-ring style kits

Trane TRR1827 Transformer Els PW 17895 Does my unit require oneThe Trane TRR1827 Transformer is a critical OEM Choke Line Transformer (also referred to as a bell transformer) engineered specifically for high performance HVAC voltage regulation. Unlike standard step down transformers, this choke line transformer is designed with high inductive reactance to limit inrush current during the initial equipment startup phase. This electrical dampening effect protects sensitive control boards and high value components