boiler replacment

Flip

can some one tell me the proper vents to replace the ones on the dry and wet returns on a vapor system with 470 sq. ft. of radiation. the vent now on the dry return says Trane #2 quick vent the one on the wet says Trane float vent  1010-1?

Steamhead

Measure

the length and diameter of the steam main and we can tell you what you need. 

Flip

steam main

steam supply 40' - 2 1/2"  , 75'-2"

return 15'- 3/4"  ,  25'- 1"  ,  75'- 1 1/4"

this runs the peremeter of the basement feeding rads on 1st & 2nd floor