Steam Trap Repair Guide
Thermostatic Radiator Traps A-B
ALL-VAC TRAP
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | None | 3508 | A | Existing |
ADSCO/AMERICAN DISTRICT STEAM CO.
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | B | 1967 | A | Existing | Seat In |
| 3/4″ | C | 1967 | A | Existing | Seat In |
| 3/4″ | FT-11 | None | Use FT-53 Repair Kit | ||
| 1″ | FT-12 | None | Use FT-53 Repair Kit | ||
| 1/2″ | 1965 | A | Existing | Seat In | |
| 1/2″ | 4321 | A | New | Seat In |
AMERICAN STERILIZER CO.
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/8″ | T101A | 4261 | C | Existing | Bronze Bellows |
| 3/8″ | T101D | 4261 | C | Existing | For Pressures |
| 3/8″ | T101E | 4261 | C | Existing | Below |
| 1/2″ | T101A | 4261 | C | Exsiting | 125 psi |
| 1/2″ | T101D | 4261 | C | Existing | Available |
| 1/2″ | T101E | 4261 | C | Existing | #4328 |
| 1/2″ | 1202A | 4258 | C | Existing | |
| 1/2″ | 781-1-2 | 4325 | B | Existing | |
| 3/4″ | 7113MH | 4405 | B | New | |
| 1″ | 7214 | 4122 | B | Existing |
ARCO
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 918 | 3501 | A | New | Female Cover |
| 3/4″ | 918 | 3435 | A | New | Male Cover |
V.D. ANDERSON CO. – OHIO
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | B1 | 2GW | New Trap | 0-200 psi | |
| 3/4″ | B2 | 3GW | New Trap | 0-200 psi | |
| 1 1/2″ | C5 | 1981 | C | Existing |
BARNES & JONES THERMOSTATIC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | BJV-2L | 4270 | A | Existing | |
| 1/2″ | BJV-2M | 4341 | B | Existing | |
| 1/2″ | BJV-2H | l757 | C | Existing | |
| 1/2″ | C | 1748 | A | Existing | Female Cover |
| 1/2″x3/4″ | C | 1748 | A | Existing | Female Cover |
| 3/4″ | C | 1775 | A | Existing | Female Cover |
| 1″ | C | 2103 | B | Existing | Male Cover |
| 1 1/4″ | C | 2182 | B | Existing | Male Cover |
| 1/2″ | D | 1781 | A | Existing | Male Cover |
| 1/2″x3/4″ | D | 1781 | A | Existing | Male Cover |
| 3/4″ | D | 1783 | A | Existing | Male Cover |
| 1″ | D | 2000 | B | New | |
| 1 1/4″ | D | 2023 | B | New | |
| 1 1/4″ | D | 2850 | B | Existing | Male Cover |
| 3/4″ | 6 | 1760 | A | Existing | |
| 1/2″x3/4″ | 12 | 1721 | A | Existing | |
| 1/2″ | 12C | 1721 | A | Existing | |
| 1/2″x3/4″ | V12 | 2132 | A | Existing | |
| 1/2″ | W12 | 3381 | A | Existing | |
| 3/4″ | 13 | 1794 | B | Existing | |
| 1″ | 14 | 1932 | B | Existing | |
| 1/2″ | 120 | 1721 | A | Existing | |
| 1/2″ | T120 | 3515or1721 | A | Existing | |
| 1/2″ | V120 | 2132 | A | Existing | |
| 1/2″ | 122A | 1721 | A | Existing | Cover#3708-1 |
| 1/2″ | 122S | 1721 | A | Existing | Cover#3708-1 |
| 1/2″ | T122 | 3515or1721 | A | Existing | |
| 1/2″ | 122V | 2132 | A | Existing | |
| 1/2″ | 122G | 1721 | A | Existing | |
| 1/2″ | 122AH | 1722 | A | Existing | Canadian |
| 1/2″ | 123 | 1929 | A | Existing | |
| 1/2″X3/4″ | 124 | 1929 | A | Existing | |
| 3/4″ | 132 | 2104or1721 | A | Existing | |
| 3/4″ | 134A | 1929 | A | Existing | Cover#3708-5 |
| 3/4″ | 134S | 1929 | A | Existing | Cover#3708-5 |
| 3/4″ | 134V | 4105 | A | Existing | |
| 1″ | 147A | 4326 | B | Existing | Cover#3452-3 |
| 3/4″ | 432 | 2104 | A | Existing | |
| 3/4″ | 1245 | 2825 | A | Existing | |
| 1/2″ | 1253 | 1721 | A | Existing | |
| 1/2″ | 3632 | 3632or1721 | A | Existing | |
| 3/4″ | 3110 | 1932 | B | Existing | |
| 1/2″ | 3045 | 1721 | A | Existing | |
| 1/2″x3/4″ | M12 | 4019or1721 | A | Existing | |
| 3/4″ | M13 | 2114or1929 | A | Existing | |
| 1″ | M14 | 2213 | A | Existing | |
| 1 1/4″ | M15 | 2213 | A | Existing | |
| 1/2″x3/4″ | MV12 | 3329 | A | Existing | |
| 1/2″ | MV122 | 3329 | A | Existing | |
| 1/2″ | M122 | 4019or1721 | A | Existing | |
| 1/2″ | M123 | 2194 | A | Existing | |
| 1/2″ | M124 | 2194 | A | Existing | |
| 3/4″ | M132 | 2095or1721 | A | Existing | |
| 3/4″ | M134 | 2194 | A | Existing | |
| 1/2″x3/4″ | H12 | 4019or1721 | A | Existing | |
| 3/4″ | H13 | 2157or1721 | A | Existing | |
| 1″ | H14 | 2159 | A | Existing | |
| 1/2″ | H120 | 4019or1721 | A | Existing | |
| 1/2″ | H122 | 4019or1721 | A | Existing | |
| 3/8″ | N11 | 4272 | B | Existing | |
| 1/2″ | N120 | 4272 | B | Existing | |
| 3/4″ | N13 | 4273 | B | Existing | |
| 3/4″ | N14 | 4274 | B | Existing | |
| 1″ | N14 | 4274 | B | Existing | |
| 3/8″ | 1EBA | 4329 | B | Existing | |
| 1/2″ | 2EBA | 4329 | B | Existing | |
| 1/2″ | 2EBS | 4329 | B | Existing | |
| 3/4″ | 3EBA | 4330 | B | Existing | |
| 3/4″ | 3EBS | 4330 | B | Existing | |
| 3/8″ | 1EA | 4333 | C | Existing | |
| 1/2″ | 2EA | 3834 | C | Existing | |
| 1/2″ | 2ES | 3834 | C | Existing | |
| 3/4″ | 3EA | 4317 | C | Existing | |
| 3/4″ | 3ES | 4317 | C | Existing | |
| 1/2″ | 2GW | 3834 | C | Existing | |
| 1/2″ | 2GWMO | 3834MO | C | Existing | |
| 3/4″ | 3GW | 3834 | C | Existing | |
| 3/4″ | 3GWMO | 3834MO | C | Existing | |
| 1/2″ | 2S, 2SW | 3795 | D | Existing | |
| 3/4″ | 3S, 3SW | 3795 | D | Existing | |
| 1″ | 4S | 3795 | D | Existing | |
| 1/2″ | 2P, 2PW | 4167 | D | Existing | |
| 3/4″ | 3P, 3PW | 4170 | D | Existing | |
| 1″ | P | 4217 | D | Existing | |
| 1 1/4″ | P | 4217 | D | Existing | |
| 1 1/2″ | P | 4214 | D | Existing | |
| 2″ | P | 4214 | D | Existing | |
| 1/2″ | 2L | 3834 | C | Existing | |
| 3/4″ | 3L | 3834 | C | Existing | |
| 1/2″ | 2V | 3834 | C | Existing | |
| 3/4″ | 3V | 3834 | C | Existing | |
| 1/2″ | R RW | 4167 | D | Existing | |
| 3/4″ | R RW | 4170 | D | Existing | |
| 1″ | 2R | 4217 | D | Existing | Cvr gskt 1330-129 |
| 1 1/4″ | 3R | 4217 | D | Existing | Cvr gskt 1330-129 |
| 1 1/2″ | 4R | 4214 | D | Existing | Cvr gskt 1330-129 |
| 2″ | 5R | 4214 | D | Existing | Cvr gskt 1330-129 |
BARNES & JONES * FLOAT & THERMOSTATIC CURRENT STYLE
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/4″-2″ | Series 2000 15#, 30# | 1750 | A | Existing | |
| 3/4″-2″ | Series 2000 75#, 125# | 1751 | B | Existing | |
| 1/2″-1″ | Series FTI-2000 15#, 30# | 1751 | B | Existing | |
| 1/2″-1″ | Series FTI-2000 75#, 125# | 1751 | B | Existing |
Complete trap kit available in the F&T Trap section
BARNES & JONES * FLOAT & THERMOSTATIC OLD STYLE
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/4″ | 41T | 159P | A | Existing | |
| 1″ | 42T | 159P | A | Existing | |
| 1 1/4″ | 43T | 1955 | A | Existing | |
| 1 1/2″ | 44T | 1955 | A | Existing | |
| 2″ | 457T | 1955 | A | Existing | |
| 3/4″ | 51T | l750 | A | Existing | |
| 1″ | 52T | 1750 | A | Existing | |
| 3/4″ | 653 | 159P | A | Existing | |
| 1″ | 654 | 159P | A | Existing | |
| 1 1/4″ | 655 | 1955 | A | Existing | |
| 1 1/2″ | 656 | 1955or1721 | A | Existing | |
| 2″ | 657 | 1955or1721 | A | Existing | |
| 3/4″ | 753 | 159X | B | Existing | |
| 1″ | 754 | 159X | B | Existing | |
| 1 1/4″ | 755 | 101X | B | Existing | |
| 1 1/2″ | 756 | 101X | B | Existing |
Complete trap kit available in the F&T Trap section
BARNES & JONES ** FLOAT & THERMOSTATIC OLD STYLE
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/4″ | B410 | 1955or1721 | A | Existing | |
| 1″ | B420 | 1955or1721 | A | Existing | |
| 3/4″ | M41 | 1955or1721 | A | Existing | |
| 1″ | M42 | 1955or1721 | A | Existing | |
| 2″ | T45 | 1955or1721 | A | Existing | |
| 1 1/4″ | BD | 1748 | A | Existing | |
| 1 1/2″ | 45A | 1783 | A | Existing | |
| 2″ | 48A | 1721 | A | Existing | |
| 2 1/2″ | 1721 | A | Existing | ||
| 1 1/2″ | 43A | 1955or1721 | A | Existing | |
| 1 1/2″ | 44B | 1955or1721 | A | Existing | |
| 2″ | 45B | 1955or1721 | A | Existing | |
| 3/4″ | 41 | 1955or1721 | A | Existing | |
| 1″ | 42 | 1955or1721 | A | Existing |
*No complete repair kit available; use new trap
BELKNAP
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | None | 4394 | A | Existing | Seat In |
BELVAC THERMOFLIER
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 1 | 4096 | A | Existing |
BESTOBELL
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/4″ | GMR-3 | 4425 | A | Existing | |
| 3/4″ | 22 | 4425 | A | Existing | |
| 1″ | 16 | None |
BISHOP, BABCOCK & BECKER THERMOSTATIC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 3 | 3159 | A | Existing | |
| 3/4″ | 3 | 3019 | A | Existing | Seat In |
| 1/2″ | 4 | 4014 | A | New | |
| 1/2″ | 6 | 4232 | A | Existing | |
| 1/2″ | 6 | 4220 | A | New | Seat In |
| 1/2″ | 6G | 1762 | A | New | |
| 3/4″ | 6 | 1733 | A | Existing | |
| 1/2″ | 8 | 3409 | A | New | Seat In |
| 1/2″ | 8 | 3225 | A | New | Seat In |
| 1/2″ | 8A | 4147 | A | New | Seat In |
| 1/2″ | BB & B – VACU | 2034 | A | Existing | Seat In |
| 1/2″X3/4″ | BB – WW502 | 4244 | A | Existing | |
| 1/2″ | G | 2035 | A | Existing | |
| 1/2″ | G | 3306 | A | Existing | Seat In |
| ADAPTO – TRAP | 2034 | A | Existing | Seat In | |
| 1/2″ | B & B | 2173 | A | Existing | Seat In |
| 1/2″ | BBB | 4081 | A | Existing | Seat In |
| 1/2″ | VACU | 2218 | A | Existing | |
| 1/2″ | BBB – RETURN | 2948 | A | Existing | Seat In |
| 1/2″ | BBB – VACU | 2034 | A | Existing | Female Cover |
| 1/2″ | BB-MULTI | 2106 | A | Existing | |
| 1/2″ | B & B | 3085 | A | Existing | Seat In |
| 1/2″ | B & B VACU | 3438 | A | Existing | Seat In |
| 1/2″ | G – VACU | 2791 | A | Existing | |
| 3/4″ | B & B | 4112 | A | Existing | Seat In |
| 3/4″ | B & B | 2032 | A | Existing | Seat In |
| 3/4″ | BBB – VACU | 2217 | A | Existing | Seat In |
| 3/4″ | BB – MULTI | 2198 | A | Existing | |
| 3/4″ | 6 | 2043 | B | New | |
| 1″ | B & B | 1785 | A | Existing | |
| 1″ | B & B | 2052 | A | New | |
| 3/4″ | G – VACU | 2008 | B | Existing | Cov. Dia. 4″ |
| 3/4″ | G -VACU | 2192 | B | Existing | Cov Dia. 3 3/8″ |
| 3/4″ | BBB – VACU | 2041 | B | Existing | Seat In |
| 1″ | G – VACU | 2205 | B | Existing | |
| 1″ | 6 | 4296 | B | Existing |
BISHOP, BABCOCK & BECKER FLOAT & THERMOSTATIC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1 1/4″ | 1 | 2189 | A | Existing | Seat In |
| 1 1/4″ | 2 | 2189 | A | Existing | Seat In |
| 1 1/2″ | 3 | 2189 | A | Existing | Seat In |
BOTTOM VALVE CO.
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | None | 4245 | B | New | Outboard |
BRAUKMANN
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | KS510 | 4409 | A | Existing | Seat In |
| 1/2″ | KS510 | 4410 | B | Existing | Seat In |
| 1/2″ | KS510 | 4411 | C | Existing | Seat In |
| 3/4″ | KS510 | 4419 | A | Existing |
BROOMELL
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | None | 3384 | A | New | Cov. Dia. 2 9/16″ Outboard |
| 1/2″ | None | 3460 | A | New | Cov. Dia. 2 7/8″ Outboard |
| 1/2″ | None | 2926 | A | New | Inboard |
| 1/2″ | None | 4292 | A | New | Cov. Dia. 2 1/16″ Outboard |
| 3/4″ | None | 4119 | A | New | Outboard |
