The Takagi brand has been discontinued by the manufacturer as of December 31, 2025. Suggested replacement units will be available on our website and replacement parts will continue to be available as supplies last. If you'd like any further assistance, please contact our customer service team.
Takagi 100074219 Rod Holder Gasket
A replacement rod holder gasket used in select Takagi tankless water heater models to reseal the rod holder area during service.
Key Features:
- Part number: 100074219
- Takagi brand discontinued by the manufacturer as of December 31, 2025; replacement parts available as supplies last
Compatibility & Applications:
- SupplyHouse description: Rod Holder Gasket for T-K3 and T-K3PRO
- "Used With" list includes:
- T-K3 (NG), T-K3 (LP)
- T-K3-OS (NG), T-K3-OS (LP)
- T-K3-PRO (NG), T-K3-PRO (LP)
- T-K3-SP (NG), T-K3-SP (LP)
- T-H2-OS (NG), T-H2-OS (LP)
- T-H2-DV (NG), T-H2-DV (LP)
- T-H2S-OS (NG), T-H2S-OS (LP)
- T-H2S-DV (NG), T-H2S-DV (LP)
- T-H3-OS (NG), T-H3-OS (LP)
- T-H3-DV (NG), T-H3-DV (LP)
- T-H3M-OS (NG), T-H3M-OS (LP)
- T-H3M-DV (NG), T-H3M-DV (LP)
- T-H3S-OS (NG), T-H3S-OS (LP)
- T-H3S-DV (NG), T-H3S-DV (LP)
- T-H3J-OS (NG), T-H3J-OS (LP)
- T-H3J-DV (NG), T-H3J-DV (LP)
- T-D2-IN (NG), T-D2-IN (LP)
- T-D2-OS (NG), T-D2-OS (LP)
- T-K4-IN (NG), T-K4-IN (LP)
- T-K4-OS (NG), T-K4-OS (LP)
- T-KJR2-IN (NG), T-KJR2-IN (LP)
- T-KJR2-OS (NG), T-KJR2-OS (LP)
- T-M32 (NG), T-M32 (LP)
- T-M32-ASME (NG), T-M32-ASME (LP)
- T-M50 (NG), T-M50 (LP)
- T-M50-ASME (NG), T-M50-ASME (LP)
- TK-540P-NEH (NG), TK-540P-NIH (NG)
- TK-540P-PIH (LP), TK-540P-PEH (LP)
- Must only be used where the manufacturer specifies this exact part number: 100074219
Installation & Operation Notes:
- Installation should be performed by a qualified service technician.
- Refer to the specific unit's service/installation manual for correct disassembly/reassembly steps and sealing points (no step-by-step instructions are provided on the product listing or the parts list).
Maintenance & Troubleshooting:
- Reviews commonly indicate this gasket is replaced when the original becomes brittle, damaged, or breaks apart during service, especially when accessing/servicing rod-related components (reviewers specifically mention routine cleaning work involving the flame sensor rod).
- Multiple reviews describe the part as very fragile and emphasize careful handling during installation.
User Reviews & Q&A Summary:
- Review themes:
- Correct/OEM fit when the gasket arrives intact and is handled carefully.
- Frequent complaints about fragility and damage during shipping (arriving folded/creased or broken), with repeated requests for sturdier packaging.
- Several reviewers report buying multiple gaskets because one may break on delivery or during installation.