Ajax Boiler Gaskets

Cici Boiler Rooms, Inc. is the number one source for Ajax boiler gaskets. We stock more than anyone else and most gaskets can ship the same day!

When ordering, it is helpful to have the number of bolts in the gasket.

WG/HN Header Gaskets

ModelDescriptionSizeHoles
GASKET09Header Gasket WG/HN 100-3503/16" x 14" x 17-3/4"18 Bolt Holes
GASKET12Header Gasket WG/HN 400-7503/16" x 18-3/8" x 19-1/8"24 Bolt Holes
GASKET14Header Gasket WG/HN 850-17503/16" x 22-1/4" x 25-3/4"30 Bolt Holes
GASKET10Header Gasket WG/HN 2000-32503/16" x 28" x 35-1/4"46 Bolt Holes
GASKET11Header Gasket WG/HN 3500-50003/16" x 29-5/8" x 44-1/8"60 Bolt Holes
GASKET13Header Gasket WG/HN 5500-95003/16" x 30-1/4" x 55-3/4"70 Bolt Holes
GASKET22Header Gasket WG/HN 10000-150003/16" x 35-1/2" x 72-1/2"76 Bolt Holes
GASKET35Header Gasket WG/HN 16000-210005/8" x 45" x 72-1/2"84 Bolt Holes

WO/X Header Gaskets (Old Style, Before March 1993)

ModelDescriptionSizeHoles
GASKET15Header Gasket WO/X 100-3503/16" X 15-1/4" X 22-1/2"22 Bolt Holes
GASKET16Header Gasket WO/X 400-8503/16" X 21-1/4" X 22-7/8"30 Bolt Holes
GASKET17Header Gasket WO/X 900-UP3/16" X 22-7/8" X 26-5/8"32 Bolt Holes

SN/SF/SA High Pressure Steam Header Gaskets

ModelDescriptionSizeHoles
GKSTEAM01AHeader Gasket SN/SF/SA 5-1523-1/4" OD28 Bolt Holes
GKSTEAM02AHeader Gasket SN/SF/SA 20-4028" OD32 Bolt Holes
GKSTEAM03AHeader Gasket SN/SF/SA 50-7034" OD48 Bolt Holes
GKSTEAM13Header Gasket SN/SF/SA 80-15049" OD / 41" ID48 Bolt Holes
GKSTEAM31Header Gasket SN/SF/SA 200-35052" OD58 Bolt Holes

WR Header Gaskets

ModelDescriptionSizeHoles
GASKET45Header Gasket WR 150-3503/16" X 21-1/2" 18-3/8"28 Bolt Holes
GASKET46Header Gasket WR 420-8403/16" x 25-3/4" x 21-7/8"30 Bolt Holes
GASKET47Header Gasket WR 940-17503/16" x 30-1/4" x 27-3/8"42 Bolt Holes
GASKET48Header Gasket WR 2100-33503/16" x 37-1/2" x 33-1/4"50 Bolt Holes
GASKET49Header Gasket WR 3770-73503/16" x 47-3/4" x 35-1/4"62 Bolt Holes
GASKET50Header Gasket WR 8400-126003/16" x 60-1/2" x 41-3/8"78 Bolt Holes
GASKET52Header Gasket WR 14650-210003/16" x 75" x 45-1/2"90 Bolt Holes

HR Header Gaskets

ModelDescriptionHoles
GKSTEAM10Header Gasket HR 6-2044 Bolt Holes
GKSTEAM06Header Gasket HR 22-4054 Bolt Holes
GKSTEAM11Header Gasket HR 50-8062 Bolt Holes
GKSTEAM15Header Gasket HR 90-17576 Bolt Holes
GASKET51Header Gasket HR 200-300112 Bolt Holes

SR Header Gaskets

ModelDescription(misc)Holes
GKSTEAM05Header Gasket SR 6-2074 Bolt Holes
GKSTEAM07Header Gasket SR 22-4090 Bolt Holes
GKSTEAM08Header Gasket SR 50-80106 Bolt Holes
GKSTEAM09Header Gasket SR 90-17596 Bolt Holes
GKSTEAM12Header Gasket SR 200-300 (Verify Bolt Count)116 Bolt Holes
GKSTEAM12AHeader Gasket SR 200-300 (Verify Bolt Count)112 Bolt Holes

Handhole & Manway Gaskets

ModelDescription
GASKET05Handhole Gasket 3" x 4"
GASKET06

Handhole Gasket 4" x 6"
MWG1115N18Manway Gasket 11" x 15"
MWG1216N18Manway Gasket 12" x 16"

Low Water Cutoff Gaskets

150-14 – 8 Bolt Head Gasket

92-68 – Head Gasket 94 & 194