Resideo TK30PV125NK Combo Trim Kit 321702-401 provided the temperature limits of

provided the temperature limits of the sensing element are not exceeded

Built to sustain harsh environments

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

While optimized for R22

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

Resideo TK30PV125NK Combo Trim Kit 321702-401 provided the temperature limits ofThe 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