Honeywell VMU400A1010, zwężka Venturiego 400 kW

Honeywell VMU400A1010 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. Smooth modulation of Honeywell VMU400A 1010 is achieved by changing the fan speed. Designed to work in combination with a fan and a Honeywell gas regulating valve providing a 1:1 gas/air ratio. Venturi tube for 400 kW.