Description
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.
Product Literature
Submittal Drawing
RV-4 One-Pipe Steam Radiator Valve