Tankless Water Heater Service Valve Kit - NA Market

The 290 Series tankless water heater service valve kit connects directlyto 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 full-port positive-shutoff 3-way ball valve, one red-handledhot 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 porton the hot water outlet ball valve. The ¾” garden hose capped connections are for hose hookups to flush the heater.

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Tankless water heater service valve kit. Tankless water heater cold inlet and hot outlet, threaded connections NPT female, size 3/4 inch. Low-lead brass CW510L-DW body and tailpiece (< 0.25% lead content) certified and listed by ICC-ES to NSF/ANSI/CAN 372, file PMG- 1360. Chrome plated brass CW511L-DW ball, PTFE seat, PTFE G300 gasket. Brass CW 716N-DW shaft and union nut. HNBR 70 sh o-ring seals. Low-lead bras CS724R-M union male x female reducing adapter. Peroxide-cured EPDM 780 sh union o-ring seals. Suitable fluid: Water. Maximum cold working pressure 600 psig (42 bar) up to 100°F (38°C). Maximum hot working pressure 400 psig (28 bar) up to 230°F (110°C). Working temperature range -4 – 230°F (-20 – 110 °C). Seat leakage, 100% tested: 0%. Flushing and servicing connections: 3/4 inch capped garden hose. Hot water ball valve relief valve access port: 3/4" NPT female. Pressure relief valve discharge port: 3/4" NPT female. Provide with Caleffi TankMixer™ water heater tank mixing valve with size 3/4 inch system connections: press, sweat, NPT female, PEX crimp or PEX expansion fittings.

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