Maid-O-Mist, Jacobus Model # 5 - Venting capacity equal to 4 ordinary air valves. Use on radiators near boiler and in warm rooms (second-floor radiators, for example)
Features:
- Self-adjusting thermostatic control
- Float to prevent water escape
- Reduces radiator noise
- Cut fuel consumption
- Assures even heat distribution
- Lower operating costs
- Improved nickel plated brass body, valve seat, solid float and bi-metal thermostatic element
Jacobus Radiator Steam Vent Spec Sheet