Primed siphonic flush toilet

A siphonic flush toilet assembly, comprising

• a bowl having an interior surface and an upper perimeter area, and comprising a jet channel;
• a jet flush valve having a jet flush valve inlet and a jet flush valve outlet for flush water delivery to an isolated jet fluid pathway;
• and
• a rim valve having a rim valve inlet and a rim valve outlet for flush water delivery to the bowl upper perimeter area to cleanse the bowl interior surface,
• wherein
• the jet fluid pathway comprises the jet channel,
• the jet channel comprises a jet channel outlet positioned in a lower portion of the bowl for discharging flush water to a sump area of the bowl,
• the jet fluid pathway extends from the jet flush valve outlet to the jet channel outlet,
• the flush water delivery to the jet fluid pathway is independent from the flush water delivery to the bowl upper perimeter, and
• flush water delivered to the jet fluid pathway and flush water delivered to the bowl upper perimeter merges only in the bowl sump area, and
• wherein
• the bowl sump area comprises a jet trap defined by the bowl interior surface, the jet trap having an inlet end and an outlet end,
• the jet trap inlet end receives water from the jet channel outlet and the interior surface of the bowl,
• the jet trap outlet is in fluid communication with a bowl trapway, and
• an uppermost point of the jet channel outlet is positioned at a seal depth below an upper surface of an inlet to the bowl trapway, wherein the seal depth is from about 1 cm to about 15 cm measured longitudinally through the sump area.