Velocity Boiler Works (Crown) 400821 LWCO 326058-757 including a 15-second pre-purge phase

including a 15-second pre-purge phase to clear the combustion chamber and a 7-second Trial for Ignition (TFI) to ensure safe flame establishment

Engineered for R410A refrigerant

How do I configure the 2218-132 for summer/winter changeover

5kW rating for steady BTU delivery in commercial HVAC environments

Velocity Boiler Works (Crown) 400821 LWCO 326058-757 including a 15-second pre-purge phaseMaintain critical safety in steam systems with the Velocity Boiler Works 400821 LWCO. This Hydrolevel CycleGard CG 400 series control uses advanced conductance sensing technology to monitor water levels without the mechanical failure points found in traditional float style cut offs. As a veteran technician knows, surging and foaming in steam boilers can lead to false readings; this unit leverages Intermittent Level Test (ILT) logic to periodically