Timed & Vented By-Pass Valve
Valve operation is similar to that of the timed valve described earlier. When vacuum signal is 8 in. Hg or more, the valve will continuously vent air pump air to the atmosphere. See Figure .
Valve operation is similar to that of the timed valve described earlier. When vacuum signal is 8 in. Hg or more, the valve will continuously vent air pump air to the atmosphere. See Figure .