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Engineered for definite purpose applications
The 658-069 is specifically weighted for the 3/7# range and is a standard retrofit kit for many Siemens Powertop assemblies
it can easily be configured for 2-zone applications by only utilizing the first two sets of terminals
Built as a direct technical equivalent to the Honeywell C554A1216
90" WC setpoint ensures reliable furnace and boiler safety circuit operation without the need for field adjustment
Resideo TK30PV125NK Combo Trim Kit 340155-7026 Engineered for definite purpose applicationsThe 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