Cleveland Controls AFS-460-136 Switch 30067439-890 Extended Service Durability: High-grade ceramic

Extended Service Durability: High-grade ceramic housing prevents voltage leakage and resists cracking under extreme temperature fluctuations

5-inch drain pan assembly to prevent secondary water damage to the furnace or air handler cabinet

reliability is non-negotiable

This is typically achieved by cycling the thermostat at the wall or briefly disconnecting the main power supply to the unit

Key Benefits for Contractors: Direct Replacement: Engineered as the exact substitute for DFS-221-271

Cleveland Controls AFS-460-136 Switch 30067439-890 Extended Service Durability: High-grade ceramicThe Cleveland Controls AFS 460 136 is a professional grade air pressure sensing switch designed for critical airflow proving applications in commercial HVAC and energy management systems. This field adjustable unit features a DPDT (Double Pole Double Throw) relay configuration, providing versatile switching logic for 120V to 277VAC circuits. Engineered for precision, it monitors positive, negative, or differential pressure across a range of 0. 40" 0.