2nd floor 3 bathrooms, 3 toilets, 3 showers, 3 lav need wet vent 3" tee horizontal to vertical for water closet the upstream side 2"-lav&Shower

[boattm48]

trouble new house 3 bathrooms, with toilet,shower and lav- need 3" tee horizontal under to vertical water closet with 3"horizontal upstream reduce to wet vent 2 " for 2" shower ,2" lav with 2 "vent? sanitary tee not recommended can not find will this be ipc/irccode? =wye 3x3x3 with 45 degree ell vertical tee reduced to 2"upstream on horizontal side?
thanks,
boattm48

 

[Michael Young]

trouble new house 3 bathrooms, with toilet,shower and lav- need 3" tee horizontal under to vertical water closet with 3"horizontal upstream reduce to wet vent 2 " for 2" shower ,2" lav with 2 "vent? sanitary tee not recommended can not find will this be ipc/irccode? =wye 3x3x3 with 45 degree ell vertical tee reduced to 2"upstream on horizontal side?
thanks,
boattm48

do they allow you to use heel inlet or side inlet 90's in your region?