RV-4 One-Pipe Steam Radiator Valve
For Steam Service
The Armstrong RV-4 one-pipe radiator valve is a state-of-the-art thermostatic radiator valve for low-pressure steam service. The valve provides accurate and automatic control of the temperature in individual rooms, through automatic air venting.
Check out this video from "This Old House" on how to install:
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For help in specifying the exact model you need, download the product literature.
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- SV-12 Steam Radiator Air Vent - Product Literature (PDF)
- RV-4 ONE PIPE STEAM VALVE - Submittal Drawing (DXF)
- RV-4 ONE PIPE STEAM VALVE - Submittal Drawing (PDF)
Product Literature
Submittal Drawing
Submittal Drawing
