FT-B4

Features

Stainless steel plug & seat
Stainless steel corrosion-resistant float
One-piece Thermostatic Cage Unit for air removal
Water-sealed, float-operated valve for immediate discharge of condensate
Most kits come pre-assembled with a new head assembly

Description

Barnes & Jones F&T Repair Kits are available for current and obsolete F&T traps.
Complete kits include a thermostatic air vent (cage unit), float and valve assembly, and head gasket. Most kits come pre-assembled with a new head assembly. Refer to Steam Trap Repair Guide for availability of Head Assembly. Cage Units, Air Vents, and head gaskets may be purchased separately.

Operation

Construction

Literature

Make ModelSizeCage UnitTypeRepair Kit #Head Assy.Head GasketB&J Trap Replacment
ARMSTRONG15-B21/2"159XAFT15-B2Yes250FT2015-2
ARMSTRONG15-B33/4"159XAFT15-B3Yes250FT2015-3
ARMSTRONG15-B41"159XAFT15-B4Yes251FT2015-4
ARMSTRONG15-B51 1/4"159XAFT15-B5Yes251FT2015-5
ARMSTRONG15-B61 1/2"159XAFT15-B6No252FT2015-6
ARMSTRONG15-B82"159XAFT15-B8No253FT2015-8
ARMSTRONG30-B21/2”159XAFT30-B2Yes250FT2030-2
ARMSTRONG30-B33/4”159XAFT30-B3Yes250FT2030-3
ARMSTRONG30-B41”159XAFT30-B4Yes251FT2030-4
ARMSTRONG30-B51-1/4”159XAFT30-B5Yes251FT2030-5
ARMSTRONG30-B61-1/2”159XAFT30-B6No252FT2030-6
ARMSTRONG30-B82”159XAFT30-B8No253FT2030-8
ARMSTRONG30-A33/4”4446BFT30-A3Yes251FT2030-3
ARMSTRONG30-A41”4446BFT30-A4Yes251FT2030-4
ARMSTRONG30-A51-1/4”4446BFT30-A5Yes251FT2030-5
ARMSTRONG30-A61-1/2”4446BFT30-A6No252FT2030-6
ARMSTRONG30-A82”4446BFT30-A8No253FT2030-8
ARMSTRONG75-A33/4”4446BFT75-A3Yes251FT2075-3
ARMSTRONG75-A41”4446BFT75-A4Yes251FT2075-4
ARMSTRONG75-A51-1/4”4446BFT75-A5Yes251FT2075-5
ARMSTRONG75-A61-1/2”4446BFT75-A6No252FT2075-6
ARMSTRONG75-A82”4446BFT75-A8No253FT2075-8
ARMSTRONG125-A33/4”4446BFT125-A3Yes251FT2125-3
ARMSTRONG125-A41”4446BFT125-A4Yes251FT2125-4
ARMSTRONG125-A51-1/4”4446BFT125-A5Yes251FT2125-5
ARMSTRONG125-A61-1/2”4446BFT125-A6No252FT2125-6
ARMSTRONG125-A82”4446BFT125-A8No253FT2125-8
Barnes & JonesFT2015-33/4”1750ARK2015-3Yes196FT2015-3
Barnes & JonesFT2015-41”1750ARK2015-4Yes196FT2015-4
Barnes & JonesFT2015-51-1/4”1750ARK2015-5Yes196FT2015-5
Barnes & JonesFT2015-61-1/2”1750ARK2015-6No239FT2015-6
Barnes & JonesFT2015-82”1750ARK2015-8No234FT2015-8
Barnes & JonesFT2030-33/4”1750ARK2030-3Yes196FT2030-3
Barnes & JonesFT2030-41”1750ARK2030-4Yes196FT2030-4
Barnes & JonesFT2030-51-1/4”1750ARK2030-5Yes196FT2030-5
Barnes & JonesFT2030-61-1/2”1750ARK2030-6No239FT2030-6
Barnes & JonesFT2030-82”1750ARK2030-8No234FT2030-8
Barnes & JonesFT2075-33/4”1751BRK2075-3Yes196HTFT2075-3
Barnes & JonesFT2075-41”1751BRK2075-4Yes196HTFT2075-4
Barnes & JonesFT2075-51-1/4”1751BRK2075-5Yes239HTFT2075-5
Barnes & JonesFT2075-61-1/2”1751BRK2075-6No239FT2075-6
Barnes & JonesFT2075-82”1751BRK2075-8No234FT2075-8
Barnes & JonesFT2125-33/4”1751BRK2125-3Yes196HTFT2125-3
Barnes & JonesFT2125-41”1751BRK2125-4Yes196HTFT2125-4
Barnes & JonesFT2125-51-1/4”1751BRK2125-5Yes239FT2125-5
Barnes & JonesFT2125-61-1/2”1751BRK2125-6No239FT2125-6
Barnes & JonesFT2125-82”1751BRK2125-8No234FT2125-8
Barnes & JonesFTI2015-21/2"1751BFTI-15Yes196FTI2015-2
Barnes & JonesFTI2015-33/4”1751BFTI-15Yes196FTI2015-3
Barnes & JonesFTI2015-41”1751BFTI-15Yes196FTI2015-4
Barnes & JonesFTI2015-51-1/4”1751BRKi2015-5Yes226FTI2015-5
Barnes & JonesFTI2015-61-1/2”1751BRKI2015-6Yes226FTI2015-6
Barnes & JonesFTI2015-82”1751BRKI2015-8Yes226FTI2015-8
Barnes & JonesFTI2030-21/2"1751BFTI-30Yes196FTI2030-2
Barnes & JonesFTI2030-33/4”1751BFTI-30Yes196FTI2030-3
Barnes & JonesFTI2030-41”1751BFTI-30Yes196FTI2030-4
Barnes & JonesFTI2030-51-1/4”1751BRKI2030-5Yes226FTI2030-5
Barnes & JonesFTI2030-61-1/2”1751BRKI2030-6Yes226FTI2030-6
Barnes & JonesFTI2030-82”1751BRKI2030-8Yes226FTI2030-8
Barnes & JonesFTI2075-21/2"1751BFTI-75Yes196HTFTI2075-2
Barnes & JonesFTI2075-33/4”1751BFTI-75Yes196HTFTI2075-3
Barnes & JonesFTI2075-41”1751BFTI-75Yes196HTFTI2075-4
Barnes & JonesFTI2075-51-1/4”1751BRKi2075-5Yes226FTI2075-5
Barnes & JonesFTI2075-61-1/2”1751BRKI2075-6Yes226FTI2075-6
Barnes & JonesFTI2075-82”1751BRKI2075-8Yes226FTI2075-8
Barnes & JonesFTI2125-21/2"1751BFTI-125Yes196HTFTI2125-2
Barnes & JonesFTI2125-33/4”1751BFTI-125Yes196HTFTI2125-3
Barnes & JonesFTI2125-41”1751BFTI-125Yes196HTFTI2125-4
Barnes & JonesFTI2125-51-1/4”1751BRKI2125-5Yes226FTI2125-5
Barnes & JonesFTI2125-61-1/2”1751BRKI2125-6Yes226FTI2125-6
Barnes & JonesFTI2125-82”1751BRKI2125-8Yes226FTI2125-8
Barnes & JonesFT2020-82"1751BRK2020-8No235FT2020-8
Barnes & JonesFT2175-82"1751BRK2175-8No247FT2175-8
Barnes & JonesFT2125-102 1/2"1751BRK2175-10No248FT2125-10
Barnes & Jones41T3/4”159PA1FTNo8941T
Barnes & Jones42T1”159PA2FTNo0942T
Barnes & Jones43T1-1/4”1955A3FTNo8943T
Barnes & Jones44T1-1/2”1955A4FTNo0944T
Barnes & Jones457T2”1955A5FTNo121457T
Barnes & Jones6533/4”159PA61FTNo89653
Barnes & Jones6541”159PA62FTNo09654
Barnes & Jones6551-1/4”1955A63FTNo89655
Barnes & Jones6561-1/2”1955A64FTNo89656
Barnes & Jones6572”1955A65FTNo121657
Barnes & Jones7533/4”159XA71FTNo09753
Barnes & Jones7541”159XA72FTNo09754
Barnes & Jones7551-1/4”101XA73FTNo09755
Barnes & Jones7561-1/2”101XA74FTNo09756
Dunham-Bush40-2153/4”4318A40-215Yes195FT2015-3
Dunham-Bush40-4151”4318A40-415Yes195FT2015-4
Dunham-Bush40-5151-1/4”4318A40-515Yes227FT2015-5
Dunham-Bush40-7151-1/2”4318A40-715Yes227FT2015-6
Dunham-Bush44-2153/4”4318A44-215Yes195FT2015-3
Dunham-Bush44-4151”4318A44-415Yes195FT2015-4
Dunham-Bush44-5151-1/4”4318A44-515Yes227FT2015-5
Dunham-Bush44-7151-1/2”4318A44-715Yes227FT2015-6
Dunham-Bush30-2A19503/4"A30-2ANo209FT2015-3
Dunham-Bush30-319503/4"A30-3No222FT2015-3
Dunham-Bush30-419501"A30-4No222FT2015-4
Dunham-Bush30-519501 1/4"A30-5No229FT2015-5
Dunham-Bush30-621631 1/2"A30-6No228FT2015-6
Dunham-Bush30-721631 1/2"A30-7No231FT2015-6
Dunham-Bush30-7A19501 1/2"A30-7ANo229FT2015-6
Dunham-Bush30-8A21632"A30-8ANo230FT2015-8
Dunham-Bush30-821632"A30-8No231FT2015-8
ErwelF-1543193/4"AFT15Yes196FT2015-3
ErwelF-1543191"AFT15-1Yes196FT2015-4
ErwelF-3043193/4"AFT30Yes196FT2030-3
ErwelF-3043191"AFT30-1Yes196FT2030-4
ErwelF-7517513/4"AFT75Yes196FT2075-3
ErwelF-7517511"AFT75-1Yes196FT2075-4
ErwelF-12517513/4"AFT125Yes196FT2125-3
ErwelF-12517511"AFT125-1Yes196FT2125-4
Hoffman53, 53V, 5543963/4”AFT53Yes194FT2015-3
Hoffman54, 54V, 5543961”AFT54Yes194FT2015-4
Hoffman56, 56V, 5543961-1/4”AFT56Yes224FT2015-5
Hoffman57, 57V, 5543961-1/2”AFT57Yes225FT2015-6
Hoffman58, 58V, 5843962”AFT58Yes226FT2015-8
HoffmanFT015H43963/4”AFT015HYes196FT2015-3
HoffmanFT015H43961”AFT015HYes196FT2015-4
HoffmanFT015H43961-1/4”AFT015H-2Yes196FT2015-5
HoffmanFT015H43961-1/2”AFT015H-3Yes225FT2015-6
HoffmanFT015H43962”AFT015H-4Yes226FT2015-8
HoffmanFT030H43963/4”AFT030HYes196FT2030-3
HoffmanFT030H43961”AFT030H-1Yes196FT2030-4
HoffmanFT030H43961-1/4”AFT030H-2Yes196FT2030-5
HoffmanFT030H43961-1/2”AFT030H-3Yes225FT2030-6
HoffmanFT030H43962”AFT030H-4Yes226FT2030-8
HoffmanFT075H43973/4”BFT075HYes196FT2075-3
HoffmanFT075H43971”BFT075H-1Yes196FT2075-4
HoffmanFT075H43971-1/4”BFT075H-2Yes196FT2075-5
HoffmanFT075H43971-1/2”BFT075H-3Yes225FT2075-6
HoffmanFT075H43972”BFT075H-4Yes226FT2075-8
HoffmanFT012543973/4”BFT0125Yes196FT2125-3
HoffmanFT012543971”BFT0125-1Yes196FT2125-4
HoffmanFT012543971-1/4”BFT0125-2Yes196FT2125-5
HoffmanFT012543971-1/2”BFT0125-3Yes225FT2125-6
HoffmanFT012543972”BFT0125-4Yes226FT2125-8
NicholsonFTN-1543193/4”AFT15Yes196FT2015-3
NicholsonFTN-1543191”AFT15-1Yes196FT2015-4
NicholsonFTN-1543191-1/4”AFT15-2Yes196FT2015-5
NicholsonFNT-1543191-1/2”AFT15-3No236FT2015-6
NicholsonFTN-1543192”AFT15-4No234FT2015-8
NicholsonFTN-3043193/4”AFT30Yes196FT2030-3
NicholsonFTN-3043191”AFT30-1Yes196FT2030-4
NicholsonFTN-3043191-1/4”AFT30-2Yes196FT2030-5
NicholsonFTN-3043191-1/2”AFT30-3No236FT2030-6
NicholsonFTN-3043192”AFT30-4No234FT2030-8
NicholsonFTN-7517513/4”BFT75Yes196HTFT2075-3
NicholsonFTN-7517511”BFT75-1Yes196HTFT2075-4
NicholsonFTN-7517511-1/4”BFT75-2No239FT2075-5
NicholsonFTN-7517511-1/2”BFT75-3No239FT2075-6
NicholsonFTN-7517512”BFT75-4No234FT2075-8
NicholsonFTN-12517513/4”BFT125Yes196HTFT2125-3
NicholsonFTN-12517511”BFT125-1Yes196HTFT2125-4
NicholsonFTN-12517511-1/4”BFT125-2Yes239FT2125-5
NicholsonFTN-12517511 1/2”BFT125-3No2329FT2125-6
NicholsonFTN-12517512”BFT125-4No234FT2125-8
SpenceFTN-1543193/4”3.5FT15Yes196FT2015-3
SpenceFTN-1543191”3.5FT15-1Yes196FT2015-4
SpenceFTN-1543191-1/4”3.5FT15-2Yes196FT2015-5
SpenceFTN-1543191-1/2”1.1000000000000001FT15-3No236FT2015-6
SpenceFTN-1543192”1.2FT15-4No234FT2015-8
SpenceFTN-3043193/4”3.5FT30Yes196FT2030-3
SpenceFTN-3043191”3.5FT30-1Yes196FT2030-4
SpenceFTN-3043191-1/4”3.5FT30-2Yes196FT2030-5
SpenceFTN-3043191-1/2”1.1000000000000001FT30-3No236FT2030-6
SpenceFTN-3043192”1.2FT30-4No234FT2030-8
SpenceFTN-7517513/4”3.5FT75Yes196HTFT2075-3
SpenceFTN-7517511”3.5FT75-1Yes196HTFT2075-4
SpenceFTN-7517511-1/4”1.1000000000000001FT75-2Yes239FT2075-5
SpenceFTN-7517511-1/2”1.1000000000000001FT75-3No239FT2075-6
SpenceFTN-7517512”1.2FT75-4No234FT2075-8
SpenceFTN-12517513/4”3.5FT125Yes196HTFT2125-3
SpenceFTN-12517511”3.5FT125-1Yes196HTFT2125-4
SpenceFTN-12517511-1/4”1.1000000000000001FT125-2Yes239FT2125-5
SpenceFTN-12517511 1/2”1.1000000000000001FT125-3No2329FT2125-6
SpenceFTN-12517512”1.2FT125-4No234FT2125-8
Spirax-SarcoFT1543193/4”AFT15Yes196FT2015-3
Spirax-SarcoFT1543191”AFT15-1Yes196FT2015-4
Spirax-SarcoFT1543191-1/4”AFT15-2Yes196FT2015-5
Spirax-SarcoFT1543191-1/2”AFT15-3No236FT2015-6
Spirax-SarcoFT1543192”AFT15-4No234FT2015-8
Spirax-SarcoFT3043193/4”AFT30Yes196FT2030-3
Spirax-SarcoFT3043191”AFT30-1Yes196FT2030-4
Spirax-SarcoFT3043191-1/4”AFT30-2Yes196FT2030-5
Spirax-SarcoFT3043191-1/2”AFT30-3No236FT2030-6
Spirax-SarcoFT3043192”AFT30-4No234FT2030-8
Spirax-SarcoFT7517513/4”BFT75Yes196HTFT2075-3
Spirax-SarcoFT7517511”BFT75-1Yes196HTFT2075-4
Spirax-SarcoFT7517511-1/4”BFT75-2No239FT2075-5
Spirax-SarcoFT7517511-1/2”BFT75-3No239FT2075-6
Spirax-SarcoFT7517512”BFT75-4No234FT2075-8
Spirax-SarcoFT12517513/4”BFT125Yes196HTFT2125-3
Spirax-SarcoFT12517511”BFT125-1Yes196HTFT2125-4
Spirax-SarcoFT12517511-1/4”BFT125-2Yes239FT2125-5
Spirax-SarcoFT12517511 1/2”BFT125-3No2329FT2125-6
Spirax-SarcoFT12517512”BFT125-4No234FT2125-8
STRONG11T43963/4”AFT53Yes194FT2015-3
STRONG12T43961”AFT54Yes194FT2015-4
STRONG13T43961-1/4”AFT56Yes224FT2015-5
STRONG14T43961-1/2”AFT57Yes225FT2015-6
STRONG15T43962”AFT58Yes226FT2015-8
Trane55AL33543/4”-1”A55ALNo168FT2015-3
Trane55ALS33543/4”-1”A55ALSNo168FT2015-3
Trane55AM33553/4”-1”B55AMNo168FT2015-3
Trane55AH33553/4”-1”B55AHNo168FT2015-3
Trane66CL33541-1/4”A66CLNo170FT2015-5
Trane66CLS33541-1/4”A66CLSNo170FT2015-5
Trane66CM33551-1/4”B66CMNo170FT2015-5
Trane66CH33551-1/4”B66CHNo170FT2015-5
Trane77HL33541-1/2”, 2”A77HLNo171FT2015-8
Trane77HM35551-1/2”, 2”B77HMNo171FT2015-8
Trane77HH33551-1/2”, 2”B77HHNo171FT2015-8
TrunstallTA-FT3-1543193/4”AFT15Yes196FT2015-3
TrunstallTA-FT4-1543191”AFT15-1Yes196FT2015-4
TrunstallTA-FT5-1543191-1/4”AFT15-2Yes196FT2015-5
TrunstallTA-FT6-1543191-1/2”AFT15-3No236FT2015-6
TrunstallTA-FT8-1543192”AFT15-4No234FT2015-8
TrunstallTA-FT3-3043193/4”AFT30Yes196FT2030-3
TrunstallTA-FT4-3043191”AFT30-1Yes196FT2030-4
TrunstallTA-FT5-3043191-1/4”AFT30-2Yes196FT2030-5
TrunstallTA-FT6-3043191-1/2”AFT30-3No236FT2030-6
TrunstallTA-FT8-3043192”AFT30-4No234FT2030-8
TrunstallTA-FT3-7517513/4”BFT75Yes196HTFT2075-3
TrunstallTA-FT4-7517511”BFT75-1Yes196HTFT2075-4
TrunstallTA-FT5-7517511-1/4”BFT75-2Yes239FT2075-5
TrunstallTA-FT6-7517511-1/2”BFT75-3No239FT2075-6
TrunstallTA-FT8-7517512”BFT75-4No234FT2075-8
TrunstallTA-FT3-12517513/4”BFT125Yes196HTFT2125-3
TrunstallTA-FT4-12517511”BFT125-1Yes196HTFT2125-4
TrunstallTA-FT5-12517511-1/4”BFT125-2Yes239FT2125-5
TrunstallTA-FT6-12517511 1/2”BFT125-3No2329FT2125-6
TrunstallTA-FT8-12517512”BFT125-4No234FT2125-8
Warren Webster273T38903/4”AFT273No273FT2015-3
Warren Webster274T38901”AFT274No 274FT2015-4
Warren Webster275T38901-1/4”AFT275No275FT2015-5
Warren Webster276T43011-1/2”AFT276No 276FT2015-6
Warren Webster278T43012”AFT278No278FT2015-8
Watson McDanielFT343963/4”AFT53Yes194FT2015-3
Watson McDanielFT443961”AFT54Yes194FT2015-4
Watson McDanielFT643961-1/4”AFT56Yes224FT2015-5
Watson McDanielFT743961-1/2”AFT57Yes225FT2015-6
Watson McDanielFT843962”AFT58Yes226FT2015-8
Watson McDanielWFT-01543193/4”AFT15Yes196FT2015-3
Watson McDanielWFT-01543191”AFT15-1Yes196FT2015-4
Watson McDanielWFT-01543191-1/4”AFT15-2Yes196FT2015-5
Watson McDanielWFT-01543191-1/2”AFT15-3No236FT2015-6
Watson McDanielWFT-01543192”AFT15-4No234FT2015-8
Watson McDanielWFT-03043193/4”AFT30Yes196FT2030-3
Watson McDanielWFT-03043191”AFT30-1Yes196FT2030-4
Watson McDanielWFT-03043191-1/4”AFT30-2Yes196FT2030-5
Watson McDanielWFT-03043191-1/2”AFT30-3No236FT2030-6
Watson McDanielWFT-03043192”AFT30-4No234FT2030-8
Watson McDanielWFT-07517513/4”B FT75Yes196HTFT2075-3
Watson McDanielWFT-07517511”BFT75-1Yes196HTFT2075-4
Watson McDanielWFT-07517511-1/4”B FT75-2Yes239FT2075-5
Watson McDanielWFT-07517511-1/2”BFT75-3No239FT2075-6
Watson McDanielWFT-07517512”B FT75-4No234FT2075-8
Watson McDanielWFT-12517513/4”BFT125Yes196HTFT2125-3
Watson McDanielWFT-12517511”B FT125-1Yes196HTFT2125-4
Watson McDanielWFT-12517511-1/4”BFT125-2Yes239FT2125-5
Watson McDanielWFT-12517511 1/2”B FT125-3No2329FT2125-6
Watson McDanielWFT-12517512”BFT125-4No234FT2125-8
WattsWFT-01543193/4”AFT15Yes196FT2015-3
WattsWFT-01543191”AFT15-1Yes196FT2015-4
WattsWFT-01543191-1/4”AFT15-2Yes196FT2015-5
WattsWFT-01543191-1/2”AFT15-3No236FT2015-6
WattsWFT-01543192”AFT15-4No234FT2015-8
WattsWFT-03043193/4”AFT30Yes196FT2030-3
WattsWFT-03043191”AFT30-1Yes196FT2030-4
WattsWFT-03043191-1/4”AFT30-2Yes196FT2030-5
WattsWFT-03043191-1/2”AFT30-3No236FT2030-6
WattsWFT-03043192”AFT30-4No234FT2030-8
WattsWFT-07517513/4”B FT75Yes196HTFT2075-3
WattsWFT-07517511”BFT75-1Yes196HTFT2075-4
WattsWFT-07517511-1/4”B FT75-2Yes239FT2075-5
WattsWFT-07517511-1/2”BFT75-3No239FT2075-6
WattsWFT-07517512”B FT75-4No234FT2075-8
WattsWFT-12517513/4”BFT125Yes196HTFT2125-3
WattsWFT-12517511”B FT125-1Yes196HTFT2125-4
WattsWFT-12517511-1/4”BFT125-2Yes239FT2125-5
WattsWFT-12517511 1/2”B FT125-3No2329FT2125-6
WattsWFT-12517512”BFT125-4No234FT2125-8