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This rebuild kit restores the pressure balance required for positive shut-off
It will close the circuit once the suction pressure rises back to 22 PSI
This HVAC wire harness includes the wire leads and connectors needed for the circuit
Constructed with durable components to withstand high-cycle commercial heating environments
Resideo TK30PV125NK Combo Trim Kit 321702-401 This rebuild kit restores theThe Resideo TK30PV125NK Combo Trim Kit offers a comprehensive solution for managing thermal expansion and air elimination in closed loop hydronic heating systems. This 4. 4 gallon expansion tank combo kit centers around the TK300 30 expansion tank, engineered to handle pressure fluctuations and prevent system relief valve discharge. The inclusion of the PV125NK 1. 25 inch NPT air separator is critical for high efficiency operation, as it utilizes