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Float & Thermostatic Repair Kits

Tunstall Corporation produces a full line of Float & Thermostatic repair kits with all stainless steel mechanisms and the stainless steel Tunstall Capsule® air vent. Tunstall Corporation is currently working on manufacturing repair kits for F&T traps made by all manufacturers. If you are looking for a manufacturer or trap not listed, please contact us at 800-423-5578

Size Max Press. For ARMSTRONG Trap Model No. Tunstall No. Head
¾" 15 15B3 1RK-15-B3 N/A
1" 15 15B4 2RK-15-B4 N/A
¾" 30 30A3 1RK-30-A3 N/A
1" 30 30A4 2RK-30-A4 N/A
Size Max Press. For Trap Model B&J Kit No. Tunstall No. Head
¾" 15 41T 1FT 1FT-BJ-15 N/A
1" 15 42T 2FT 2FT-BJ-15 N/A
1-¼" 15 43T 3FT 3FT-BJ-15 N/A
1-½" 15 44T 4FT 4FT-BJ-15 N/A
2" 15 457T 5FT 5FT-BJ-15 N/A
¾" 15 51T 6FT 6FT-BJ-15 YES
1" 15 52T 4FT 7FT-BJ-15 YES
¾" 75 653 61FT 61FT-BJ-75 N/A
1" 75 654 62FT 62FT-BJ-75 N/A
1-¼" 75 655 63FT 63FT-BJ-75 N/A
1-½" 75 656 64FT 64FT-BJ-75 N/A
2" 75 657 65FT 65FT-BJ-75 N/A
¾" 125 753 71FT 71FT-BJ-125 N/A
1" 125 754 72FT 72FT-BJ-125 N/A
1-¼" 125 755 73FT 73FT-BJ-125 N/A
1-½" 125 756 74FT 74FT-BJ-125 N/A
¾" 15 FT2015-3 RK2015-3 1FP-BJ-15 YES
1" 15 FT2015-4 RK2015-4 2FP-BJ-15 YES
1-¼" 15 FT2015-5 RK2015-5 3FP-BJ-15 YES
1-½" 15 FT2015-6 RK2015-6 4RK-BJ-15 N/A
2" 15 FT2015-8 RK2015-8 5RK-BJ-15 N/A
¾" 30 FT2030-3 RK2030-3 1FP-BJ-30 YES
1" 30 FT2030-4 RK2030-4 2FP-BJ-30 YES
1-¼" 30 FT2030-5 RK2030-5 3FP-BJ-30 YES
1-½" 30 FT2030-6 RK2030-6 4RK-BJ-30 N/A
2" 30 FT2030-8 RK2030-8 5RK-BJ-30 N/A
¾" 75 FT2075-3 RK2075-3 1FP-BJ-75 YES
1" 75 FT2075-4 RK2075-4 2FP-BJ-75 YES
1-¼" 75 FT2075-5 RK2075-5 3RK-BJ-75 N/A
1-½" 75 FT2075-6 RK2075-6 4RK-BJ-75 N/A
2" 75 FT2075-8 RK2075-8 5RK-BJ-75 N/A
¾" 125 FT2125-3 RK2125-3 1FP-BJ-125 YES
1" 125 FT2125-4 RK2125-4 2FP-BJ-125 YES
1-¼" 125 FT2125-5 RK2125-5 3RK-BJ-125 N/A
1-½" 125 FT2125-6 RK2125-6 4RK-BJ-125 N/A
2" 125 FT2125-8 RK2125-8 5RK-BJ-125 N/A
Size Max Press. For Trap Model B&J Kit No. Tunstall No. Head
½-1" 15 FTI-2015 FTI-15 1-FPI-BJ-15 YES
½-1" 30 FTI-2030 FTI-30 1-FPI-BJ-30 YES
½-1" 75 FTI-2075 FTI-75 1-FPI-BJ-75 YES
½-1" 125 FTI-2125 FTI-125 1-FPI-BJ-125 YES

NOTE: These repair kits are the same for sizes 1/2", 3/4" and 1".

Size Max Press. For DUNHAM BUSH / MEPCO Trap Model Tunstall No. Head
¾" 15 40-215 1FP-DB-15 YES
1" 15 40-415 2FP-DB-15 YES
1-¼" 15 40-515 3RK-DB-15 N/A
1-½" 15 40-715 4RK-DB-15 N/A
¾" 30 30-2A RK-DB-30-2A N/A
1" 30 30-4 RK-DB-30-4 N/A
1-¼" 30 30-5 RK-DB-30-5 N/A
1-½" 30 30-6 RK-DB-30-6 N/A
1-½" 30 30-7 RK-DB-30-7 N/A
1-½" 30 30-7A RK-DB-30-7A N/A
2" 30 30-8A RK-DB-30-8A N/A
Size Max Press. For Erwel Trap Model Tunstall No. Head
¾" 15 F-15 1FP-ER-15 YES
1" 15 F-15 2FP-ER-15 YES
¾" 30 F-30 1FP-ER-30 YES
1" 30 F-30 2FP-ER-30 YES
¾" 75 F-75 1FP-ER-75 YES
1" 75 F-75 2FP-ER-75 YES
¾" 125 F-125 1FP-ER-125 YES
1" 125 F-125 2FP-ER-125 YES
Size Max Press. For HOFFMAN Trap Model Tunstall No. Head
¾" 15 53, 55 1FP-HF-15 YES
1" 15 54, 55 2FP-HF-15 YES
1-¼" 15 56, 55 3FP-HF-15 YES
1-½" 15 57, 55 4FP-HF-15 YES
2" 15 58, 55 5FP-HF-15 YES
¾" 15 FT015H 6FP-HF-15 YES
1" 15 FT015H 7FP-HF-15 YES
1-¼" 15 FT015H 8FP-HF-15 YES
1-½" 15 FT015H 9FP-HF-15 YES
2" 15 FT015H 10FP-HF-15 YES
Size Max Press. For SARCO Trap Model Tunstall No. Head
¾" 15 FT15 1FP-SA-15 Yes
1" 15 FT15 2FP-SA-15 Yes
1-¼" 15 FT15 3FP-SA-15 Yes
1-½" 15 FT15 4RK-SA-15 N/A
2" 15 FT15 5RK-SA-15 N/A
¾" 30 FT30 1FP-SA-30 Yes
1" 30 FT30 2FP-SA-30 Yes
1-¼" 30 FT30 3FP-SA-30 Yes
1-½" 30 FT30 4RK-SA-30 N/A
2" 30 FT30 5RK-SA-30 N/A
¾" 75 FT75 1FP-SA-75 Yes
1" 75 FT75 2FP-SA-75 Yes
1-¼" 75 FT75 3FP-SA-75 Yes
1-½" 75 FT75 4RK-SA-75 N/A
2" 75 FT75 5RK-SA-75 N/A
¾" 125 FT125 1FP-SA-125 Yes
1" 125 FT125 2FP-SA-125 Yes
1-¼" 125 FT125 3FP-SA-125 Yes
1-½" 125 FT125 4RK-SA-125 N/A
2" 125 FT125 5RK-SA-125 N/A
Size Max Press. For SARCO Trap Model No. Tunstall No. Head
½-1" 15 FTI15 1FPI-SA-15 YES
½-1" 30 FTI-30 1FPI-SA-30 YES
½-1" 75 FTI-75 1FPI-SA-75 YES
½-1" 125 FTI-125 1FPI-SA-125 YES
Size Max Press. For STRONG Trap Model No. Tunstall No. Head
¾" 15 11T 1FP-SG-15 YES
1" 15 12T 2FP-SG-15 YES
1-¼" 15 13T 3FP-SG-15 YES
1-½" 15 14T 4FP-SG-15 YES
2" 15 15T 5FP-SG-15 YES
Size Max Press. For TRANE Trap Model No. Tunstall No. Head
¾ & 1" 15 55AL 1RK-TR-55AL N/A
1-¼" 15 66CL 1RK-TR-66CL N/A
Size Max Pres. For TUNSTALL Trap Model Tunstall No. Head
¾" 15 TA-FT3-15 1FP-TA-15 YES
1" 15 TA-FT4-15 2FP-TA-15 YES
1-¼" 15 TA-FT5-15 3FP-TA-15 YES
1-½" 15 TA-FT6-15 4RK-TA-15 N/A
2" 15 TA-FT8-15 5RK-TA-15 N/A
¾" 30 TA-FT3-30 1FP-TA-30 YES
1" 30 TA-FT4-30 2FP-TA-30 YES
1-¼" 30 TA-FT5-30 3FP-TA-30 YES
1-½" 30 TA-FT6-30 4RK-TA-30 N/A
2" 30 TA-FT8-30 5RK-TA-30 N/A
¾" 75 TA-FT3-75 1FP-TA-75 YES
1" 75 TA-FT4-75 2FP-TA-75 YES
1-¼" 75 TA-FT5-75 3RK-TA-75 N/A
1-½" 75 TA-FT6-75 4RK-TA-75 N/A
2" 75 TA-FT8-75 5RK-TA-75 N/A
¾" 125 TA-FT3-125 1FP-TA-125 YES
1" 125 TA-FT4-125 2FP-TA-125 YES
1-¼" 125 TA-FT5-125 3RK-TA-125 N/A
1-½" 125 TA-FT6-125 4RK-TA-125 N/A
2" 125 TA-FT8-125 5RK-TA-125 N/A
¾" 15 TUN-215 TUN-1FP-DB-215 YES
1" 15 TUN-415 TUN-2FP-DB-415 YES
1-¼" 15 TUN-515 TUN-3FP-DB-515 YES
1-½" 15 TUN-715 TUN-4FP-DB-715 YES
2" 15 TUN-6815 TUN-5FP-DB-6815 YES
¾" 30 TUN-230 TUN-1FP-DB-230 YES
1" 30 TUN-430 TUN-2FP-DB-430 YES
1-¼" 30 TUN-530 TUN-3FP-DB-530 YES
1-½" 30 TUN-730 TUN-4FP-DB-730 YES
2" 30 TUN-6830 TUN-5FP-DB-6830 YES
¾" 75 TUN-275 TUN-1FP-DB-275 YES
1" 75 TUN-475 TUN-2FP-DB-475 YES
1-¼" 75 TUN-575 TUN-3FP-DB-575 YES
1-½" 75 TUN-775 TUN-4FP-DB-775 YES
2" 75 TUN-6875 TUN-5FP-DB-6875 YES
¾" 125 TUN-2125 TUN-1FP-DB-2125 YES
1" 125 TUN-4125 TUN-2FP-DB-4125 YES
1-¼" 125 TUN-5125 TUN-3FP-DB-5125 YES
1-½" 125 TUN-7125 TUN-4FP-DB-7125 YES
2" 125 TUN-68125 TUN-5FP-DB-68125 YES

Size Max Pres. For TUNSTALL HIGH CAPACITY Trap Model Tunstall No. Head
1-½" 15 TUN-8715 TUN-4FP-DB-8715 YES
2" 15 TUN-8815 TUN-5FP-DB-8815 YES
1-½" 30 TUN-8730 TUN-4FP-DB-8730 YES
2" 30 TUN-8830 TUN-5FP-DB-8830 YES
1-½" 75 TUN-8775 TUN-4FP-DB-8775 YES
2" 75 TUN-8875 TUN-5FP-DB-8875 YES
1-½" 125 TUN-87125 TUN-4FP-DB-87125 YES
2" 125 TUN-88125 TUN-5FP-DB-88125 YES
Size Max Press. For WATSON MCDANIEL Tunstall No. Head
¾" 15 FT-3 1FP-WM-15 YES
1" 15 FT-4 2FP-WM-15 YES
1-¼" 15 FT-6 3FP-WM-15 YES
1-½" 15 FT-7 4FP-WM-15 YES
2" 15 FT-8 5FP-WM-15 YES
Size Max Press. For WARREN WEBSTER Tunstall No. Head
¾" 15 273 RK-WW-273 N/A
1" 15 274 RK-WW-274 N/A
¾-1" 15 Air Vent Only For 273 & 274 TCWW-2545 N/A

Tunstall Corporation is a family of brands from a family owned company

Founded in 1958, Tunstall Corporation is a recognized leader in the steam and hydronics industry. We operate in all facets of the industry, including design, engineering, manufacturing, sales and distribution. Tunstall is known for its industry expertise, quality products, resourcefulness and customer service. We combine our industry expertise with an entrepreneurial approach and professional management.


We are located in Chicopee, Massachusetts, where we maintain office, manufacturing and R & D space along with modern warehouse facilities.  Tunstall Steam Traps, Steam Products, Macon Controls and Macon Balancing Products are distributed through an established network of representatives and distributors throughout North America.


We are members of the Association of Energy Engineers, the American Society of Heating and Refrigeration and Air-Conditioning Engineers (ASHRAE).

We are organized into five business units:

  • Tunstall Steam Traps & Steam Products
  • Macon Controls
  • Macon Balancing
  • Manufacturers’ Representation
  • Energy Solutions