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Niva One-Pipe Steam TRV


Niva Steam TRV enables thermostatic control for one-pipe steam radiators. Installation takes just five minutes.

Self-regulating sensors inside the valve automatically turn off the radiator when the room is a little too hot and turn it back on again when the room cools to maintain a comfortable ambient temperature.

  • ⅛” radiator and air vent connections
  • Must be used in conjunction with
    VAB-05 vacuum breaker for proper operation
  • Suitable for steam application
  • Made from solid brass
  • Available in three finishes
Additional information
Product files
Weight 1.45 lbs
Dimensions 6.1 × 5.3 × 3.4 in
Construction material



Chrome, Natural Brass, Satin Nickel

Niva 1PS TRV pdf Niva 1PS TRV Line Drawing