A failed or tripped 1320547 limit switch often forces the blower into a continuous "on" state as a safety measure to dissipate excess heat

preventing dust

drop-in replacement for Utica MGB series boilers (sizes 50 through 250) and various Dunkirk counterparts

petroleum-based lubricants can degrade the specialized rubber compound of the cushion

Field techs know that a precise capacitance match is non-negotiable for system longevity

Cleveland Controls AFS-271 Switch A failed or tripped 1320547The Cleveland Controls AFS 271 is a professional grade air pressure sensing switch designed for critical proving switch applications in HVAC and energy management systems. This adjustable air flow switch offers a precise set point range of 0. 05" to 2. 0" w. c., making it an essential component for monitoring positive, negative, or differential pressure in commercial burners and furnaces. Engineered with a durable plated housing and a silicone