V47AB-5C - New (S1), See Description

TEMP ACT MODULATING VALVE TEMP WATER REG VALVE 1/2"75/135F CROSS AMBIENT
S1 - Our S1 designated products are new parts, never used, in original manufacturer packaging and may be an older date code, firmware, series or style. When purchasing S1 products, please verify series and firmware if applicable. All units will have been tested when required and consequently may not carry the original factory seal.