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The Sewerin Combiphon pulse generator system provides a method of locating non-metallic plastic pipe using a Sewerin acoustical leak detector to listen for the sound provided by the Combiphon and its two methods. The two methods of transmitting noise onto the targeted pipe include a "Striker" which when attached around a pipe acts as an electronic hammer where it steadily strikes a vibration onto the pipe. The other method includes a "Stopper" which usually is installed at a nearby fire hydrant and injects a pulse into the water column itself (sound travels further).

Combiphon kits can be purchased as STRIKER only, STOPPER only or COMPLETE (both).

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Combiphon non-metallic pipe locator