Steam Trap Repair Guide
Thermostatic Radiator Traps H-M
HAINES VENTO
Old Style Bourdon Tube Traps. Non-Repairable with Cage Units. Use B&J Traps as listed on the left for replacements.
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 1 | 122A | |||
| Angle | |||||
| 1/2″ | 1 | 2897 | A | Existing | |
| 1/2″x3/4″ | 1 | 12A Angle | |||
| 3/4″ | 1A | 134A | |||
| Angle | |||||
| 1/2″ | 2 | 122A | |||
| Angle | |||||
| 1/2″x3/4″ | 2 | 12A Angle | |||
| 3/4″ | 2E | 134A | |||
| Angle | |||||
| 3/4″ | 3 | 134A | |||
| Angle | |||||
| 1″ | 3E | 147A | |||
| Angle | |||||
| 3/4″ | 23 | FT2015-3 | |||
| 1″ | 24A | FT2015-4 | |||
| 1 1/4″ | 24 | FT20l5-5 | |||
| 1 1/2″ | 24 | FT20l5-6 |
HOFFMAN THERMOSTATIC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 8 | 2168 | A | Existing | Integral Seat |
| 1/2″ | 8 | 3494 | A | Existing | Removable Seat |
| CL-I, CL-II | |||||
| 1/2″ | 8 | 3495 | A | Existing | Sarco Cover |
| 1/2″ | 8A | 2148 | A | Existing | |
| 3/4″ | 8C | 3507 | A | Existing | |
| 3/4″ | 8D | 2148 | A | Existing | |
| 3/4″ | 8D | 4037 | A | Existing | Seat In |
| 1/2″ | 8H | 4149 | A | Existing | Seat In |
| 3/4″ | 9 | 2167 | A | Existing | Integral Set |
| 3/4″ | 9 | 3509 | A | Existing | Removable Seat |
| 3/4″ | 9 | 3494 | A | Existing | Removable Seat |
| CL-I,CL-II | |||||
| 3/4″ | 9 | 3431 | A | Existing | Use w/seat in |
| CL-I,CL-II | |||||
| 3/4″ | 9A | 2835 | A | Existing | Use 3507 if |
| 2835 will not fit. | |||||
| 1″ | 9C | 2835 | A | Existing | Use 3507 if |
| 2835 will not fit. | |||||
| 3/4″ | 9D | 2835 | A | Existing | Use 3507 if |
| 2835 will not fit. | |||||
| 3/4″ | 9H | 4149 | A | Existing | Seat In |
| 1″ | 9H | 4149 | A | Existing | Seat In |
| 1″ | 10A | 3339 | B | Existing | |
| 1/2″ | 20H | 2148 | A | Existing | |
| 1/2″ | 17A | 3066 | A | New | Integral Seat |
| 1/2″ | 17A | 2836 | A | New | |
| 1/2″ | 17C | 3500 | A | Existing | |
| 1/2″ | 17D | 3500 | A | Existing | |
| 1/2″ | 17K | 3500 | A | New | |
| 1/2″ | 18 | 2211 | A | Existing | Integral Seat |
| 1/2″x3/4″ | 18A | 2098 | A | Existing | Seat In |
| 1/2″ | 18C | 2211 | A | Existing | Integral Seat |
| 1/2″ | 20 | 3542 | A | Existing | |
| 3/4″ | 21 | 3114 | A | Existing | Low Pressure |
| 3/4″ | 21 | 3111 | B | Existing | High Pressure |
HOFFMAN FLOAT & THERMOSTATIC*
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/4″ | 53V | None | Use FT53 Kit | Old Style | |
| 1″ | 54V | None | Use FT54 Kit | Old Style | |
| 3/4″ | 53T | None | Use FT53 Kit | Old Style | |
| 3/4″ | 53FT | 4396 | A | Existing | Kit Avail. |
| 1″ | 54FT | 4396 | A | Existing | Kit Avail. |
| 1 1/4″ | 56FT | 4396 | A | Existing | Kit Avail. |
| 1 1/2″ | 57FT | 4396 | A | Existing | Kit Avail. |
| 2″ | 58FT | 4396 | A | Existing | Kit Avail. |
| 3/4″ | 55FT | 4396 | A | Existing | Kit Avail. |
| 1″ | 55FT | 4396 | A | Existing | Kit Avail. |
| 1 1/4″ | 55FT | 4396 | A | Existing | Kit Avail. |
| 1 1/2″ | 55FT | 4396 | A | Existing | Kit Avail. |
| 2″ | 55FT | 4396 | A | Existing | Kit Avail. |
| 3/4″-1″ | 540FT | 4396 | A | Existing | 0-30 psi |
| 1″-1 1/4″ | 560FT | 4396 | A | Existing | 0-30 psi |
| 1 1/2″ | 580FT | 4396 | A | Existing | 0-30 psi |
| 2″ | 590FT | 4396 | A | Existing | 0-30 psi |
| 3/4″-1″ | 541FT | 4396 | A | Existing | 0-60 psi |
| 1″-1 1/4″ | 561FT | 4396 | A | Existing | 0-60 psi |
| 1 1/2″ | 581FT | 4396 | A | Existing | 0-60 psi |
| 3/4″-1″ | 542FT | 4397 | B | Existing | 0-125 psi |
| 1″-1 1/4″ | 562FT | 4397 | B | Existing | 0-125 psi |
| 1 1/2″ | 582FT | 4397 | B | Existing | 0-125 psi |
| 3/4″-2″ | FT015H | 4396 | A | Existing | Complete Repair Kits |
| 3/4″-2″ | FT030H | 4396 | A | Existing | Bear Trap Series F&T’s |
| 3/4″-2″ | FT075H | 4397 | B | Existing | Available early 1997. |
| 3/4″-2″ | FT215H | 4397 | B | Existing | |
*For complete trap repair kit see F&T section.
IDEAL
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | None | 3036 | A | Existing | Seat In |
| 1/2″ | None | 3224 | A | New | Seat In |
| 1/2″ | None | 4266 | A | New | Seat In |
ILLINOIS THERMOSTATIC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 1G | 2818 | A | New | 1G on cover |
| 1/2″ | 1G | 2819 | A | New | 1G on body |
| 1/2″ | 1VG | 2818 | A | New | Vertical |
| 1/2″ | 1GT | 2818 | A | New | |
| 1/2″ | 2G | 2175 | A | Existing | |
| 3/4″ | 3G | 2947 | A | Existing | |
| 3/4″ | 3GT | 2947 | A | Existing | |
| 3/4″ | 3GH | 2819 | A | New | |
| 3/4″ | 4G | 3165 | A | Existing | |
| 1″ | 5G | 4175 | B | Existing | |
| 1/2″ | 1MG | 2818 | A | New | |
| 1/2″ | 1VMG | 2818 | A | New | Vertical |
| 3/4″ | 3MG | 2947 | A | Existing | |
| 1″ | 5MG | 4175 | B | Existing | |
| 3/8″ | 0HG | None | None | ||
| 1/2″ | 2HG | None | None | ||
| 3/4″ | 3HG | None | None | ||
| 1/2″ | 1 | 1930 | A | New | Seat In |
| 1/2″ | 2 | 2959 | A | New | Seat In |
| 1/2″ | Thermo junior | 3097 | A | New | Seat In |
| 3/4″ | 2A | 2959 | A | New | Seat In |
| 3/4″ | 3 | 3084 | A | New | Seat In |
| 3/4″ | 3T | 3518 | A | New | Seat In |
| 1/2″ | 1T | 1930 | A | New | Seat In |
ILLINOIS FLOAT & THERMOSTATIC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/4″ | 6G | 2818 | A | New | Use B&J Series FTI-2000 |
| 1″ | 7G | 2818 | A | New | for complete replacement |
| 1 1/4″ | 8G | 2818 | A | New | |
| 1 1/2″ | 9G | 2818 | A | New | |
| 1 1/2″ | 91G | 2819 | A | New | |
| 1/2″ | 712 | 2819 | A | New | Replaces WW712 |
| 2″ | 101G | 2819 | A | New | |
| 2″ | 10G | 2818 | A | New | |
| 2″ | 111G | 2819 | A | New | |
| 3/4″ | 6MG | 2818 | A | New | |
| 1″ | 7MG | 2818 | A | New | |
| 1 1/4″ | 8MG | 2818 | A | New | |
| 1 1/2″ | 9MG | 2818 | A | New | |
| 1 1/2″ | 91MG | 2819 | A | New | |
| 2″ | 10MG | 2818 | A | New | |
| 2″ | 101MG | 2819 | A | New | |
| 2″ | 111MG | 2819 | A | New |
JENKINS VALVES
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 701 | 3477 | A | Existing | |
| 1/2″X3/4″ | 701A | 1733 | A | Existing | |
| 1/2″ | None | 3570 | A | Existing | Sarco cover Seat In |
| 1/2″ | 12A4 W.W. Adapter | 4192 | A | New | Seat In |
| 3/4″ | None | 2078 | A | New | Seat In, 3/4″ Orifice |
| 3/4″ | None | 3566 | A | New | Seat In, 1/4″ Orifice |
| 3/4″ | 5A13 W.W. Adapter | 3565 | A | New | Seat In, 3/16″ Orifice |
| 1″ | 5A15 W.W. Adapter | 3579 | A | New | Seat In, 5/16″ Orifice |
| 1″ | None | 2124 | A | New | Seat In, 1″ Orifice |
| 1″ | None | 3526 | A | New | Seat In, strtwy |
| 1″ | None | 3568 | A | New | Seat In, 1/4″ Orifice |
| 1/2″-3/4″ | 5A13 W.W. Adapter | 4012 | A | New | Seat In, 1/4″ Orifice |
| 3/4″ | Sarco cover | 4080 | A | Existing | |
| 1 1/4″ | None | 3567 | A | New | Seat In |
JOHNSON SERVICE VALVE
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1″ | SB1 | 3376 | A | Existing | Seat In |
| 1″ | 4044 | A | New |
KELLOGG-MacKAY (KELMAC)
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 40 | 3466 | A | New | Seat In, 23/64″ Orifice |
| 1/2″ | None | 3503 | A | New | Seat In |
| 1/2″ | 40 | 3503 | A | New | Seat In, 13/32″ Orifice |
| 3/4″ | 40 | 4111 | A | New | Seat In |
O.E. KELMARC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | O.E. | 3288 | A | New | Seat In |
| 1/2″ | O.E. | 3336 | A | New | Seat In |
| 1/2″ | O.E. | 3034 | A | New | Seat In |
KENNEDY VALVE
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1″ | (K) | 4269 | A | New | Seat In |
| 1 1/4″ | (K) | 3579 | A | New | Seat In |
LEVINE
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1 1/4″ | None | 3527 | A | New | Angle Valve |
LILLY (same as Nicholson)
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | Angle | 4367 | C | Existing | w/Baffle |
| 1/2″ | Vertical | 4367 | C | Existing | w/Baffle |
L-R-P (Longer Regulated Protection)
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/4″ | 11T | None Use FT53 Kit | Chamber opening too small for cage unit. | ||
| 1″ | 12T | None Use FT54 Kit | Chamber opening too small for cage unit. | ||
| 1 1/4″ | 14T | None | Chamber opening too small for cage unit. | ||
| 1 1/2″ | 15T | None | Chamber opening too small for cage unit. | ||
| 2″ | 16T | None | Chamber opening too small for cage unit. |
MARINE GALLIGAN (MILVACO)
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | None | 2261 | A | New | Cov. Dia. 2 7/8″ Seat In |
| 1/2″ | None | 3099 | A | New | Seat In, Large |
| 1/2″ | None | 2953 | A | New | Cov. Dia. 2 3/16″ Seat In, Small |
| 3/4″ | 42-43 HD | 2953 | A | New | Seat In |
| 1″ | None | 3050 | A | New | |
| 1 1/4″ | HD | 3100 | A | New |
MARSH TRAPS THERMOSTATIC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 1 | 1927 | A | New | |
| 1/2″ | 1V Vertical | 1927 | A | New | |
| 1/2″ | 1 Reflux | 2074 | A | New | |
| 1/2″ | 1 Reflux | 1973 | A | New | Seat In |
| 3/4″ | 1 Reflux | 2806 | A | New | |
| 1/2″ | 2 | 1971 | A | New | |
| 3/4″ | 2 | 2086 | A | New | |
| 3/4″ | 2 Reflux | 3232 | A | New | |
| 1″ | 2 | 3559 | A | New | |
| 3/4″ | 2-4 | 3053 | A | New | |
| 3/4″ | 2-7 | 2086 | A | New | |
| 1/2″ | 1N | 4416 | A | Existing | with New Cover (if wanted) use 1927 |
| 3/4″ | CL 1N | 4208 | A | Existing | |
| 1″ | Cl 1N | 4388 | A | Existing | Female cover |
| 1/2″ | 21 21V | 1927 | A | New | |
| 1/2″ | 501 | 3402 | A | New | |
| 3/4″ | 502 | 4075 | A | New | |
| 1/2″ | R-1 | 1927 | A | New |
MARSH TRAPS FLOAT & THERMOSTATIC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1 1/4″ & 1 1/2″ | 8 | 1927 | A | New | |
| 3/4″-1″ | 12 | 1927 | A | New | |
| 1 1/2″-2″ | 14 A or B | 3549 | A | New | |
| 3/4″ | 17 | 4359 | A | New | Seat In |
| 1 1/4″ | 508 | 1927 | A | New | |
| 3/4″-1″ | 512 | 1927 | A | New | |
| 1 1/2″-2″ | 514 A or B | 3549 | A | New | |
| 1/2″x3/4″ | R1 | 1927 | A | New |
McALEAR TRAPS
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 10 | 2253 | A | New | Seat In |
| 1/2″ | 10 | 4009 | A | New | |
| 1/2″ | 11 | 4277 | A | Existing | Vertical Trap |
| 1/2″ | 13 | 4009 | A | New | Outboard |
| 1/2″ | 20 | 2244 | A | New | Seat In |
| 1/2″ | 20 | 3379 | A | New | |
| 1/2″ | 23 | 4127 | A | New | |
| 1/2″ | 24 | 4225 | A | Existing | |
| 1/2″ | 27 | 4127 | A | New | |
| 3/4″ | 30 | 3379 | A | New | |
| 1/2″ | 753 | 4009 | A | New | |
| 1/2″ | Perfection | 3313 | A | New | Seat In O.B. |
| 3/4″ | 3528 | B | Existing | Outboard |
MILWAUKEE (MILVACO) THERMOSTATIC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 0 | 2953 | A | New | Seat In |
| 1/2″ | 1 | 2261 | A | New | Seat In |
| 1/2″ | H-100 | 2164 | A | New | Seat In |
| 1/2″ | H-100 | 3510 | A | Existing | Seat In |
| 1/2″ | H-100-6 | 3143 | A | Existing | Seat In |
| 1/2″ | H-350 | 3047 | A | New | Seat In |
| 1/2″ | H-350 | 4311 | A | New | |
| 1/2″ | H-350-6 | 3073 | A | Existing | Seat In |
| 1/2″ | V-01-6 | 3219 | A | New | Seat In |
| 1/2″ | V-02-6 | 3475 | A | New | Seat In |
| 1/2″ | 25-2 | 3539 | A | New | Seat In |
| 1/2″ | 25-2A | 4290 | A | Existing | Seat In |
| 1/2″ | 25-BE | 4083 | A | Existing | Seat In |
| 1/2″ | 87 | 3433 | A | Existing | Bolted cover |
| 3/4″ | 87 | 2879 | A | Existing | Bolted cover |
| 1/2″ | 100-6 ST | 3510 | A | Existing | Seat In |
| 1/2″ | H350 | 4226 | A | New | Seat In |
| 3/4″ | H750 | 4227 | A | New | Seat In |
| 3/4″ | 25-4 | 4053 | A | Existing | |
| 3/4″ | 25-BE | 4053 | A | Existing | |
| 3/4″ | 25-8 | 3461 | A | Existing | Seat In |
| 3/4″ | V05-6 | 4142 | A | Existing | Seat Out |
| 3/4″ | H100-6 | 3143 | A | Existing | Seat In |
| 3/4″ | H350 | 3143 | A | Existing | Seat In |
| 3/4″ | H400 | 3152 | A | New | Seat In |
| 3/4″ | H400-6 | 3263 | A | Existing | Seat In |
| 3/4″ | H750 | 3118 | A | New | Seat In |
| 3/4″ | H750-6 | 3499 | A | Existing |
MILWAUKEE (MILVACO) FLOAT & THERMOSTATIC
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 3/4″ | 13-10 | 3153 | A | New | |
| 1″ | 13-20 | 3153 | A | New | |
| 1 1/4″ | 13-30 | 3153 | A | New | |
| 1 1/2″ | 13-40 | 3153 | A | New | |
| 1 1/2″ | -37 | 3153 | A | New | |
| 2″ | -47 | 3153 | A | New |
MONASH-YOUNKER
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 6B | 4289 | B | Existing | |
| 1/2″ | C-10 | 3108 | A | New | Radifier Trap |
| 1/2″ | 30 | 4294 | A | Existing | |
| 1/2″ | 34 | 2080 | A | New | Seat In |
| 1/2″ | 34BX | 3508 | A | Existing | |
| 1/2″ | 35, 35B | 2080 | A | New | Most Common Seat In |
| 1/2″ | 35 | 2901 | A | New | Outboard Seat In |
| 1/2″ | 36B | 2188 | A | Existing | |
| 1/2″ | 36BX | 3508 | A | Existing | |
| 3/4″ | 36B | 3199 | A | Existing | |
| 3/4″ | 36BX | 2193 | A | Existing | |
| 3/4″ | 38 | 3199 | A | Existing | |
| 3/4″ | 38 | 4173 | A | Existing | Seat In |
| 3/4″ | 42 | 4349 | A | New | |
| 1″ | 43 | 4349 | A | New |
MOUAT
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 35, 36 | 3465 | A | New | Seat In |
| 1/2″ | 40, 41 | 3465 | A | New | Seat In |
| 1/2″ | Large | 4017 | A | New |
NAFCO
| Size | Model Number | B&J Cage Unit | Type | Cover | Notes |
| 1/2″ | 1 | 3141 | A | Existing | |
| 1/2″ | 2 | 3141 | A | Existing | |
| 3/4″ | 4-6 | 3142 | A | Existing | |
| 3/4″ | 6 | 3537 | A | Existing | Female Conn. |
| 1″ | 6 | 3537 | A | Existing | |
| 3/4″ | None | 4134 | A | Existing |
