No. 4 Maid-O-Mist® / Jacobus® Steam Vent

Straight, fits 1/8inch pipe

Maid-O-Mist Jacobus steam vents provide a vent port size for every room, from the largest size for the coldest rooms to the smallest size for the "too hot" rooms. Easy to install on any radiator. Only these steam valves give you all these benefits:

• 16 different models
• Self-adjusting thermostatic control
• Float to prevent water escape
• Reduces radiator noise
• Cuts fuel consumption
• Assures even heat distribution
• Lowers operating costs

No. 4 radiators in room which the thermostat is located; or where radiators affect operation of thermostat.

Vent size: 0.040 inch

Steam Vent Sizing Guidelines

1 year warranty against manufacture defects in material and workmanship