Honeywell VMU500A1009 manifold 500 kW

Honeywell VMU500A 1009 is designed to operate in conjunction with a fan and a Honeywell gas regulating valve, providing a 1:1 gas/air ratio. Smooth regulation is achieved by varying the fan speed. The Honeywell VMU500A1009 venturi tube is a gas and air tube that allows smooth modulation of a premix burner with a fixed gas/air ratio when load is reduced to 17% of maximum. Venturi tube for 400 kW.