Description
this component serves as the direct cross-reference for the B13400604A2
Key Benefits Corrosion Resistance: High-grade 316 stainless steel body ensures longevity in corrosive environments
Direct OEM Replacement: Replaces legacy and obsolete part numbers including HD42AQ243
Common indicators include a completely blank thermostat display
as the radially-split cast iron body can remain in-line during maintenance
Trane RNG0070 O-Ring 321702-401 this component serves as theSz#256 Neoprene O Ring
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























