This HVAC contactor replacement is engineered for high-cycle reliability

but always verify the total VA draw of your contactors

directly supporting the mechanical responsiveness of the low water cut-off system

With a high Energy Efficiency Ratio (EER) of up to 10

If the sensor fails to confirm a flame within the designated trial-for-ignition window

Fenwal 06-129500-003 Sampling Tube This HVAC contactor replacement isThe 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