Caleffi KIT290503A Tankless Water Heater Service Valve Kit, 3/4" FNPT with Pressure Relief Valve Face Guard tool slots

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Caleffi KIT290503A Tankless Water Heater Service Valve Kit, 3/4" FNPT with Pressure Relief Valve Face Guard tool slotsCaleffi KIT290503A Tankless Water Heater Service Valve Kit, 3 4" FNPT with Pressure Relief Valve The 290 Series tankless water heater service valve kit connects directly to the standard MNPT nipples on the heater to facilitate isolating, flushing and servicing the water heater. The union connections make installation simple and quick. The kit includes one blue handled cold water inlet full port positive shutoff 3 way ball valve, one red handled hot