Watts 0009818 Valve Refrigerant a failure to close the

a failure to close the pressure switch during the startup sequence

preventing coolant cavitation

a full assembly replacement ensures the blower wheel and housing tolerances match factory specs

Is the S1-028-15208-000 compatible with older York units

Watts 0009818 Valve Refrigerant a failure to close theThe Watts 0009818, known in the field as the Series 26AA, is a specialized small capacity pressure regulator designed for high precision water applications. This 1 2 inch water pressure reducing valve is factory calibrated for a pressure range of 1 to 25 psi, making it the industry standard for evaporative coolers, fountain dispensers, and laboratory equipment where low flow consistency is critical. Featuring a lead free brass body and a rugged