use standard labeling: "C" for Common

provided the system uses standard 1/4" SAE charging hoses

UEI UET114

scale buildup

32 L/H) at a 20 psig reference

Lennox X2661 Humidifier Pad use standard labeling: "C" forThe Lennox X2661 Humidifier Pad (Model WP2 18 1) is a critical maintenance component designed for high efficiency moisture transfer in compatible Lennox power and bypass humidification systems. Also identified by part number X266101, this replacement evaporator pad features a honeycomb filtration media coated with a specialized clay surface. This hydrophilic treatment ensures uniform water distribution across the water panel, maximizing the