Resideo TK30PV125NK Combo Trim Kit 321702-401 This rebuild kit restores the

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

This valve features a standard 3/8" connection

Utilizing this genuine 1

Built to sustain harsh environments

While optimized for R22

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