Steam Trap Repair Guide
Thermostatic Radiator Traps C-G
CAMPBELL
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ x 3/4″ | 3445 | A | Existing | Seat In | |
| 3/4″ | 2001 | A | New |
CAPITAL BRASS WORKS CO.
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | None | 3141 | A | Existing | 3/8″ Orifice |
| 1/2″ | None | 4251 | A | Existing | Seat In |
| 1/2″ | None | 4314 | A | New | Outboard |
| 3/4″ | 25 | 3142 | A | Existing |
CASHIN-THERMOFLEX THERMOSTATIC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 1 | 2001 | A | New | Seat In |
| 3/4″ | 1 | 2866 | B | Existing | |
| 1″ | 1 | 2003 | B | New | |
| 1/2″ | 2 | 2001 | A | New | Seat In |
| 3/4″ | 2 | 2001 | A | New | Seat In |
| 1/2″ | 3 | 2865 | A | Existing | Seat In |
| 3/4″ | 3 | 2865 | A | Existing | Seat In |
| 3/4″-1″ | 4-4M | 3168 | A | Existing | Seat In |
| 1 1/4″ | |||||
| 3/4″-1″ | 4-4M | 2866 | B | Existing | |
| 1 1/4″ | |||||
| 1/2″ | 12 | 2896 | A | New | Seat In |
| 1/2″ | 12 | 3421 | A | New | |
| 1/2″ | 100A | 4331 | B | Existing | Female conn. |
| 3/4″-1″ | 100A | 4327 | B | Existing | Female conn. |
| 3/4″ | 120 | 4034 | A | New | |
| 1/2″ | 121 | 4230 | A | New | Vertical |
| 3/4″ | 122 | 3206 | A | Existing | |
| 1/2″ | A200 | 3421 | A | New | Female cover |
| B200 | |||||
| B200M | |||||
| 1/2″ | B200 | 4230 | A | New | Male cover |
| C200 | |||||
| 1/2″ | V200 | 4345 | A | Existing | Seat In |
| 3/4″ | V400 | 4345 | A | Existing | Seat In |
| 3/4″ | V700 | 4345 | A | Existing | Seat In |
| 1/2″-3/4″ | W200 | 4223 | A | Existing | Bolted cover |
| 3/4″ | W400 | 4223 | A | Existing | Bolted cover |
| 3/4″ | A400 | 4015 | A | New | Integral Seat |
| B400 | 4141 | A | Existing | ||
| B400M | |||||
| 3/4″ | B700 | 4351 | B | Existing | 0-50 psi |
| B700M | |||||
| 3/4″ | B700 | 4316 | A | Existing | Seat In |
CASHIN-THERMOFLEX FLOAT & THERMOSTATIC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/4″-1″ | 251 | 3597 | A | New | Seat In |
| 3/4″-1″ | 352 | 3597 | A | New | Seat In |
| 1 1/4″-1″ | 353 | 3597 | A | New | Seat In |
| 3/4″-1″ | 251M | 3597 | A | New | Seat In |
| 3/4″-1″ | 252M | 3597 | A | New | Seat In |
| 1 1/4″ | 353M | 3597 | A | New | Seat In |
| 1″ | 100 | 4279 | A | New | Seat In |
| 1 1/4″ | 100 | 4280 | A | New | Seat In |
CASTLE
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/8″ | 8077 | 4328 | B | Existing | 4261 Over 65 PSI |
CRANE VALVE CO
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1″ | 100 | 4279 | A | New | Seat In |
| 1 1/4″ | 100 | 4280 | A | New | Seat In |
CROMWELL
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 4 | 4151 | A | Existing |
CRYER (New York)
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 6 | 3525 | A | Existing | Seat In |
| 3/4″ | 6 | 4250 | A | Existing | |
| 1/2″ | 8 | 3525 | A | Existing | Seat In |
| 3/4″ | 8 | 4250 | A | Existing |
D.G.C. (New York)
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/4″ | 5 | 4001 | A | Existing | Seat In |
| 3/4″ | 5 | 4298 | A | Existing | |
| 1/2″ | 1903 | A | Existing |
DETROIT LUB. VALVE
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1″ | None | 2931 | A | New | Seat In |
| 1″ | None | 3229 | A | Existing | Seat In |
DONNELLY
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | None | 3294 | A | Existing |
DUNHAM-BUSH THERMOSTATIC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 1 | 1950 | A | New | Cov. Dia. 2 7/16″ Integral Seat – 5/16″ |
| 1/2″ | 1A | 1950 | A | New | Integral Seat |
| 1/2″ | 1B | 1950 | A | New | Integral Seat |
| 1/2″ | 1C | 1950 | A | New | Integral Seat |
| 1/2″ | 1D | 1950 | A | New | Integral Seat |
| 1/2″ | 1E | 1950 | A | New | Integral Seat |
| 1/2″ | V1A | 1950 | A | New | Integral Seat |
| 1/2″ | V1B | 1950 | A | New | Integral Seat |
| 1/2″ | V1R | 1950 | A | New | Integral Seat |
| 1/2″ | 1 | 3133 | A | New | Integral Seat Small Orifice 1/4″ |
| 1/2″ | 1E | 4412 | A | New | Remove Seat |
| 1/2″ | 1-SB | 4413 | B | Existing | Remove Seat |
| 1/2″ | TH1A | 4093 | B | New | |
| 3/4″ | TH2A | 4242 | B | Existing | |
| 3/4″ | 1A | 1950 | A | New | Integral Seat |
| 1/2″ | 16 | 1950 | A | New | Integral Seat |
| 1/2″ | 1EVS | 1950 | A | New | Cov. Dia. 3″ Integral Seat – 3/8″ |
| 3/4″ | 2 | 1990 | A | New | Integral Seat – 3/8″ |
| 3/4″ | 2A | 1990 | A | New | Integral Seat – 3/8″ |
| 3/4″ | 2B | 1990 | A | New | Integral Seat – 3/8″ |
| 3/4″ | 2C | 1990 | A | New | Integral Seat – 3/8″ |
| 3/4″ | 2D | 1990 | A | New | Integral Seat – 3/8″ |
| 3/4″ | 2E | 1990 | A | New | Integral Seat – 3/8″ |
| 3/4″ | 2F | 1990 | A | New | Integral Seat – 3/8″ |
| 1/2″ | V2C | 1990 | A | New | Integral Seat – 3/8″ |
| 1/2″ | 3A | 1990 | A | New | Integral Seat – 3/8″ |
| 3/4″ | 2E | 1990 | A | New | Integral Seat – 3/8″ |
| 1/2″ | 1R | 1972 | A | New | Seat Out |
| 1/2″ | 1R | 1952 | A | New | Seat In |
| 1/2″ | 2 | 1964 | A | New | Cov. Dia. 3 7/8″ Large Body Integral Seat – 3/8″ |
| 1/2″ | V2 | 1964 | A | New | Cov. Dia. 3 7/8″ Large Body Integral Seat – 3/8″ |
| 1/2″ | 3 | 1964 | A | New | Cov. Dia. 3 7/8″ Large Body Integral Seat – 3/8″ |
| 1/2″ | V3 | 1964 | A | New | Cov. Dia. 3 7/8″ Large Body Integral Seat – 3/8″ |
| 3/4″ | 2 | 1964 | A | New | Cov. Dia. 3 7/8″ Large Body Integral Seat – 3/8″ |
| 3/4″ | 2C | 1964 | A | New | Cov. Dia. 3 7/8″ Large Body Integral Seat – 3/8″ |
| 3/4″ | 3 | 1964 | A | New | Cov. Dia. 3 7/8″ Large Body Integral Seat – 3/8″ |
| 3/4″ | 3 | 2163 | A | New | Cov. Dia. 3 7/8″ Large Body Integral Seat – 5/8″ |
| 3/4″ | V2, V3 | 2163 | A | New | Cov. Dia. 3 7/8″ Large Body Integral Seat – 5/8″ |
| 3/4″ | 2B | 2163 | A | New | Cov. Dia. 3″ Small Body Large Orifice 5/8″ |
| 3/4″ | 2E | 2163 | A | New | Cov. Dia. 3″ Small Body Large Orifice 5/8″ |
| 3/4″ | 3A | 2163 | A | New | Cov. Dia. 3″ Small Body Large Orifice 5/8″ |
| 3/4″ | V3B | 2163 | A | New | Cov. Dia. 3″ Small Body Large Orifice 5/8″ |
| 3/4″ | 3B | 2163 | A | New | |
| 3/4″ | 3C | 2163 | A | New | Cov. Dia. 3″ Small Body Large Orifice 5/8″ |
| 1″ | 3C | 2163 | A | New | Cov. Dia. 3″ Small Body Large Orifice 5/8″ |
| 3/4″ | 3D | 2163 | A | New | Cov. Dia. 7″ Small Body Large Orifice 5/8″ |
| 3/4″ | D2M | 1950 | A | New | Cov. Dia. 2 7/16″ Small Body Large Orifice 5/16″ |
| 3/4″ | 3SB | 4148 | A | New | Seat In |
| 3/4″ | 3 | 4248 | A | New | Seat In |
| 3/4″ | 2E | 4414 | A | New | Remove Seat |
| 1/2″ | Drayton Strwy. | 4304 | C | Existing | |
| 3/4″ | 4 | 3035 | B | Existing | Seat In |
| 3/4″ | 4A | 2208 | A | Existing | Seat In |
| 1″-1 1/4″ | 5 | 2088 | B | Existing | Seat In |
| 1″ | 5A | 4051 | A | Existing | Seat In |
| 3/4″ | 6 | 4047 | A | Existing | Seat In |
| 3/4″ | 7 | 3516 | B | Existing | Seat In |
| 1/2″ | 13 | 2087 | A | New | |
| 3/4″ | 14 | 2011 | A | Existing | Seat Out |
| 3/4 ‘ | 14 | 2012 | A | Exisiting | |
| 1/2″ | 12B, 13B | 4021 | A | Existing |
DUNHAM-BUSH FLOAT & THERMOSTATIC*
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1FT8 | 1950 | A | New | Old Style | |
| 20-5 | 1950 | A | New | Old Style | |
| 23-E | 1950 | A | New | Old Style | |
| 1/2″ | 30-1 | 1950 | A | New | Old Style |
| 1/2″ | 30-1A | 1950 | A | New | Old Style |
| 3/4″ | 30-2 | 1950 | A | New | Old Style |
| 3/4″ | 30-2A | 1950 | A | New | Old Style |
| 3/4″ | 30-3 | 1950 | A | New | Old Style |
| 1″ | 30-4 | 1950 | A | New | Old Style |
| 1 1/4″ | 30-5 | 1950 | A | New | Old Style |
| 1 1/2″ | 30-6 | 2163 | A | New | Old Style |
| 1 1/2″ | 30-7 | 2163 | A | New | Old Style |
| 1 1/2″ | 30-7A | 1950 | A | New | Old Style |
| 2″ | 30-8A | 2163 | A | New | Old Style |
| 2″ | 30-8 | 2163 | A | New | Old Style |
| 3/4″ | 40-215 | 4318 | A | Existing | |
| 1″ | 40-415 | 4318 | A | Existing | |
| 1 1/4″ | 40-515 | 4318 | A | Existing | |
| 1 1/2″ | 40-715 | 4318 | A | Existing | |
| 3/4″ | 40-230 | 4318 | A | Existing | |
| 1″ | 40-430 | 4318 | A | Existing | |
| 1 1/4″ | 40-530 | 4318 | A | Existing | |
| 1 1/2″ | 40-730 | 4318 | A | Existing | |
| 3/4″ | 40-275 | 4335 | B | Existing | |
| 1″ | 40-475 | 4335 | B | Existing | |
| 1 1/4″ | 40-575 | 4335 | B | Existing | |
| 1 1/2″ | 40-775 | 4335 | B | Existing | |
| 3/4″ | 40-2125 | 4335 | B | Existing | |
| 1″ | 40-4125 | 4335 | B | Existing | |
| 1 1/4″ | 40-5125 | 4335 | B | Existing | |
| 1 1/2″ | 40-7125 | 4335 | B | Existing | |
Series 44 “H” Pattern F & Ts same as Series 40
See F&T section for complete repair kits.
ERWEL THERMOSTATIC TRAPS (CANADA) (same as Sarco H Traps)
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | R30 | 4117 | A | Existing | Old Seat Left In 0-30 psi |
| 1/2″ | R30 | 3146 | A | Existing | Remove Old Seat 0-30 psi |
| 3/4″ | R30 | 4116 | A | Existing | Old Seat Left In 0-30 psi |
| 3/4″ | R30 | 3146 | A | Existing | Remove Old Seat 0-30 psi |
| 1″ | R30 | 3071 | A | Existing | Remove Old Seat 0-30 psi |
| 1/2″ | R30 Vert. | 3146 | A | Existing | Remove Old Seat 0-30 psi |
| 3/4″ | R30 Vert. | 3146 | A | Existing | Remove Old Seat 0-30 psi |
| 1/2″ | R75 R125 | 4418 | B | Existing | Remove Old Seat 75-125 psi |
| 3/4″ | R75 R125 | 4418 | B | Existing | Remove Old Seat 75-125 psi |
| 1″ | R125 | 4363 | B | Existing | Remove Old Seat 75-125 psi |
| 1/2″ | R75 Vert. | 4362 | B | Existing | Remove Old Seat 75-125 psi |
ERWEL F&T TRAPS (CANADA) FLOAT & THERMOSTATIC*
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/4″ | F-15 | 4319 | A | None | |
| 1″ | F-15 | 4319 | A | None | |
| 3/4″ | F-30 | 4319 | A | None | |
| 1″ | F-30 | 4319 | A | None | |
| 3/4″ | F-75 | 4319 | A | None | |
| 1″ | F-75 | 4319 | A | None | |
| 3/4″ | F-125 | 1751 | B | None | |
| 1″ | F-125 | 1751 | B | None |
FAIRBANKS VALVES
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/4″ | None | None | A | New | Set In, 3/4″ Orifice |
| 1″ | None | 3476 | A | New | Seat In |
| 1″ | None | 2852 | A | New | Seat In |
| 1″ | None | 3573 | A | New | Seat In |
| 1″ | None | 3571 | A | New | Seat In |
| 1 1/4″ | 147A | New Trap |
FARRIS British
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 40 MIL U | 4439 | A | Existing | Seat Out 1330-208 |
| 1/2″ | 2896 | A | Existing | Seat In |
FULTON SYLPHON AIR VALVE
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 410 | 3023 | A | Existing | Seat In |
GALBRAS
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | None | 4445 | A | Existing | Seat In |
GENERAL HEATING SUPPLY
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | None | 2261 | A | New | Seat In |
