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including the FC9V100C20UP12B model
essential for tight-tolerance ACR (Air Conditioning and Refrigeration) pipe installs
Engineered with 28 precision fins to maximize static pressure and flue gas venting
Robust 480V 90W heating element provides consistent thermal load for high-voltage commercial circuits
Can this thermostat be mounted in a standard electrical box
Fenwal 06-129500-003 Sampling Tube including the FC9V100C20UP12B modelThe Fenwal 06 129500 003 is a 48 inch air duct smoke detector sampling tube engineered for precise smoke detection in commercial HVAC systems. Designed for duct widths between 3 and 4 feet, this rigid inlet sampling tube directs airflow from the supply or return duct into the sensing chamber of Fenwal DH 60 and DH 2000 series detectors. Its UL 268A listed construction ensures reliable performance across a broad air velocity range of 500 to 4,000 feet