No. "D" Maid-O-Mist® / Jacobus® Steam Vent

Straight, fits 1/4inch 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. "D" venting capacity equal to 27 ordinary air valves. Use when large amount of air must be vented such as on radiators with particularly long branches and on very large radiators.

Vent size: 0.1850 inch

Steam Vent Sizing Guidelines

1 year warranty against manufacture defects in material and workmanship