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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Built with C0 internal clearance
this unit utilizes advanced non-dispersive infrared (NDIR) dual-beam technology to compensate for sensor drift and ensure long-term signal stability
This kit is specifically designed to replace older 700-450 and 700-460 series units
a 1/4" pilot outlet
This part is fully cross-compatible and identical to the Lennox 43H8101
Resideo TK30PV100SNK Combo Trim Kit 320819-301 Built with C0 internal clearanceThe Resideo TK30PV100SNK Combo Trim Kit provides a comprehensive solution for managing thermal expansion and air elimination in closed loop hydronic heating systems. Centered around a 4. 4 gallon extrol expansion tank, this kit maintains stable system pressure by absorbing the increased volume of heated water, preventing frequent activation of the pressure relief valve. The inclusion of the PV100S Provents air eliminator is critical for removing micro
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