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- The 290 Series tankless water heater service valve kit connects directly to the standard ¾” 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 fullport positive-shutoff 3-way ball valve, one red-handled hot water outlet full-port 3-way positive-shutoff ball valve, and a pressure relief valve, set to 150 psi, which field-mounts to a side port on the hot water outlet ball valve. The ¾” garden hose capped connections are for hose hookups to f lush the heater.
- Blue Handled Cold Water Outlet (1), Red Handled Hot Water Outlet (1), Pressure Relief Valve (1), Garden Hose (1)
- Body MaterialDZR BrassEnd StyleFNPT Union x HoseNominal Size3/4 inPressure Rating400 PSI HWP, 600 PSI CWPCold Water Outlet Dimensions1-1/2 in H x 3-11/16 in WGarden Hose Nominal Size3/4 inHot Water Outlet Dimensions1-1/2 in H x 5-1/8 in LManufacturerCaleffiManufacturer #KIT290503AMediaWaterNumber of Ports3Port TypeFullSeries290Softgoods MaterialPTFE, HNBRTemperature Rating4 to 230 deg FTrim MaterialBrass Shaft/Union NutTypeTankless