Tankless Water Heater Service Valve Kit with 520 TankMixer with Flexible Pipes - NA Market

Combines 290 service valve kit with TankMixer and flexible piping. 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. The service valve kit can be ordered complete with the 520 series TankMixer with flexpipe
connecting recirculating water if desired. NOTE: another revit family is offered to allow the designer to use another style of connecting pipe if desired.

Specification

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 talipiece (< 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.

Technical specification