While some air gaps look similar

water- and dust-resistant housing

a different model in the T-4000 accessory line is required

or the boiler failing to reach full thermal capacity due to restricted fuel flow

as a Carrier repair part

Copeland Comfort Control (Alco) 061235 Drier Core While some air gaps lookThe Copeland Comfort Control (Alco) 061235, also known as the W 48 HH drier core, is a specialized 48 cubic inch burnout filter drier core engineered for intensive system cleanup following a compressor motor failure. This high acid filter drier core utilizes a proprietary desiccant blend specifically formulated to sequester high concentrations of acid, moisture, and solid contaminants, preventing secondary failures in HVACR refrigeration systems.