Velocity Boiler Works (Crown) 14-007 Vacuum Switch R-407C or inconsistent manifold pressure leading

or inconsistent manifold pressure leading to poor combustion and soot buildup

For contractors performing preventative maintenance or heat exchanger repairs

Enhanced Durability: The Monel bellows construction resists harsh boiler chemicals and high-heat environments

repeatable NTC resistance signals to your building automation system (BAS)

eliminating the need for mechanical spring returns

Velocity Boiler Works (Crown) 14-007 Vacuum Switch R-407C or inconsistent manifold pressure leadingThe Velocity Boiler Works 14 007 Vacuum Switch is an essential safety component engineered for precise differential pressure monitoring in high efficiency heating systems. Known as a cross reference equivalent to Crown 14655005, this switch ensures the inducer motor is generating sufficient static pressure to safely vent combustion gases before the ignition sequence initiates. Built for durability in commercial and residential HVAC internal