WHISTLING TRUMPET (for Hybrid Deceptor Pro & Respons TMS Under 14psi Low Boost)

The Whistling Trumpet can be used in place of the standard trumpet on GFB valves (Part numbers T9003 & T9503), and will make a whistling sound. However, it is necessary to run the valve so that all (or most) of the air vents through the trumpet ‘ Respons valves will typically not generate the velocity required to whistle when set to 50/50 venting.

High -more than 12 psi

Low -less than 12 psi