- Achieve a More Balanced Steam Heating System with the Most Advanced Air Valve Available
- Exclusive Fingertip Adjustment: Simply sliding a lever allows you to adjust the venting rate.
- Each Radiator Has Its Own Venting Speed: In hard to heat areas, the radiator VARIVALVES can be adjusted for
- quicker venting. In overheated areas, the VARIVALVES can be adjusted for slower venting. This allows steam to be
- evenly distributed in the system.