Check The Valve Serial Number - EWT G20 Owner's Manual

CHECK THE VALVE SERIAL NUMBER AND VALVE TYPE
VALVE SERIAL NUMBER:
22018885O5G0005
Valve Part #
Year
(22018885): Valve part #
(O)YEAR: "R" stand for year 2021,"Q" stand for year 2020, "P" stand
for year 2019, "O" stand for year 2018, "N" stand for year 2017, "M"
stand for year 2016, "L" stand for year 2015...
(5)MONTH: 1(JAN), 2(FEB), 3(MAR), 4(APRIL), 5(MAY), 6(JUNE),
7(JULY), 8(AUG), 9(SEP), A(OCT), B(NOV), C(DEC)
Month Date Batch code (G)DATE: 1 2 3 4 5 6 7 8 9 (A)10 (B)11 (C)12 (D)13 (E)14
(F)15 (G)16 (H)17 (I)18 (J)19 (K)20 (L)21 (M)22 (N)23 (O)24
(P)25 (Q)26 (R)27 (S)28 (T)29 (U)30 (V)31
(0005): Batch code