Maid-O'-Mist valves vent air from mains, solar panels, pipe lines, boilers, unit heaters, chillers, convectors, radiant panels, coils, baseboards, and free-standing radiators. They work with all hot water and solar heating systems.
Venting boiler or chill systems
Maid-O-Mist No. 7 Series Auto-Vent®, vertical mount valves
- No. 7 Auto-Vent 1/8inch FIP connection, 75psi max
- No. 71 Auto-Vent 1/4inch MIP connection, 150psi max
- No. 74 Auto-Vent 1/4inch FIP connection, 150psi max
- No. 75 Auto-Vent 3/4inch FIP / 1/2inch MIP connection, 150psi max
- No. 77 Auto-Vent 1/8inch FIP connection, 1/8inch FIP vent, 75psi max
- No. 78 Auto-Vent 1/8inch MIP connection, 75psi max
Examples of No. 7 Series air venting applications.
Venting overhead hot or chilled water heating mains:
Venting unit heaters:
Venting trapped mains and circulating lines:
No. 27 and No. 37 Auto-Vents venting overhead hot-water heating or cooling mains:
Venting boiler or chilling units:
Venting radiators
Examples showing Maid-O-Mist valves venting radiators.
No. 67 venting convector radiators:
No. 27 horizontal-mount Auto-Vent venting convector radiators:
No. 72 Auto-Vent® or No. 95 Pushbutton Manual Vent installed on convector radiators:
No. 37 Auto-Vent venting convector radiators:
Venting solar water-heating and radiant heating systems
Examples showing Maid-O-Mist valves venting solar and radiant heating systems.
No. 71 Auto-Vent® venting closed-loop solar water-heating systems:
In some regions, code may require vents to not be on roofs or maybe require a directed vent pipe, such as can be attached to a No. 77 Auto-Vent. Refer to codes for specifics.
See also the Dekka retro-fit system: http://dekkasupply.com/stores/dekka/retro-2010.html for another example.
