Clearwater Original PCB W080341 This one has the Circuit breaker fits all sizes up to 21 amps clearwater genuine PCBs for C series chlorinators all brown & white boxes include early B BH HS TS QC Hydromaster 4000 & 7000. 130/140/170/190/200/270B/C/LS/BH/TS
TIP only adjust uppermost output[amps] trim pot do not touch lower 2 trim pots now with unit running hold cell leads between thumb and forefinger touch sensor wire see output. adjust to 100% only Use rubber gloves very small screwdriver be careful of 240V
