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Thermostatic Steam Trap Inserts and Kits
Armstrong -13 Adapter Only
for use with Smart Wafer/T-Wafer
TS-3 3/4-in Seat
Letter Stamp: M
Old Armstrong Part# 6229615
Armstrong Part No: B7421
Armstrong -20 Adapter Only
for use with Smart Wafer/T-Wafer
Letter Stamp: T
Old Armstrong Part# 6229703
Armstrong Part No: B7428
Armstrong -22 Adapter Only
for use with Smart Wafer/T-Wafer
Letter Stamp: V
Old Armstrong Part# 6227011
Armstrong -23 Adapter Only
for use with Smart Wafer/T-Wafer
Letter Stamp: W
Old Armstrong Part# 6014382
Armstrong Part No: B7431
Armstrong -30 Adapter Only
for use with Smart Wafer/T-Wafer
Letter Stamp: AE
Old Armstrong Part# 6227097
Armstrong Part No: B7438
Armstrong -31 Adapter Only
for use with Smart Wafer/T-Wafer
Letter Stamp: AC
Old Armstrong Part# 6227071
Armstrong -32 Adapter Only
for use with Smart Wafer/T-Wafer
TS-3 1-in Seat
Letter Stamp: AF
Old Armstrong Part# 6227118
Armstrong Part No: B7440
Tunstall Trap Insert
for 1/2 in Dunham Bush 1A & 1B & 1C & 1D & 1E Radiator Traps
Rated to 125 psi
Tunstall part no. TCDB-1301

