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Niva One-Pipe Steam TRV – Satin Nickel


  • Thermostatic valve adds temperature control to one-pipe steam radiators
  • Easy-to-use 1 to 5 temperature scale 
  • Reversible design allows installation on either side of the radiator 
  • Includes Maid o’ Mist #4 air vent 
  • Satin nickel finish 
  • Use in conjunction with VAB05 vacuum breaker  
Additional information

Castrads Ironshield Warranty Logo

Suitable for one-pipe steam heating systems

Niva One-Pipe Steam TRV


Our thermostatic valves add localized temperature control to stop you from sweltering.

Keep the winter air outside and save the AC for summer.

Niva Steam TRV enables thermostatic control for one-pipe steam radiators and 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, maintaining a comfortable ambient temperature.

What’s more, thermostatic valves save money and reduce carbon emissions. No heating system is complete without them.

Product Specs
Radiator connection ⅛” NPT (male)
Air vent connection ⅛” NPT (female)
Finish Satin Nickel
Body material Brass
Handle material Brass
Included in box Valve body
Thermostatic actuator
Maid o’ Mist #4 air vent
Warranty 10 years

Dimensioned drawings | Download as a PDF

Niva One-Pipe Steam Dimensioned Drawing - Front View
Niva One-Pipe Steam Dimensioned Drawing - Side View

One-pipe steam radiator with thermostatic control

Weight 1.45 lbs
Dimensions 6.1 × 5.3 × 3.4 in

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