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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Key Benefits: OEM Precision: Direct replacement for Marley 5018-0004-103
the unit failing to shift into cooling mode for defrost
It is compatible with Siemens OpenAir actuators
the GP-18900 prevents bypass leakage and maintains the strict combustion tolerances required for condensing boiler operations
Durable Industrial Build: Features a high-integrity design capable of withstanding the high-cycle demands of commercial HVACR applications
Resideo TK30PV100SNK Combo Trim Kit 321894-706 Key Benefits: OEM Precision: DirectThe 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