Resideo TK30PV125NK Combo Trim Kit 321702-401 Constructed with durable components to

Constructed with durable components to withstand high-cycle commercial heating environments

It will close the circuit once the suction pressure rises back to 22 PSI

This rebuild kit restores the pressure balance required for positive shut-off

A17 compatible with

Resideo TK30PV125NK Combo Trim Kit 321702-401 Constructed with durable components toThe 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