Primers are installed on the potable cold water supply line and react to water flowing in the line to trigger either by turbulence or pressure drop.
Floor waste gully trap primer.
The galvin engineering safe cell flowmatic primer is designed to maintain a permanent trap seal in floor drains where wastes or gully traps are infrequently used.
The macdonald sv1 tp electronic timer controlled trap primer is designed to maintain a permanent trap seal in floor wastes.
Another type of trap primer can flow water from the potable water system to multiple floor drains traps.
Trap seal primer connector provides an easy method of connecting the trap primer line to the trap.
This type of trap primer consists of an automatic timer electric solenoid valve vacuum breaker and a piping manifold with valved outlets which are each piped to a floor drain trap.