ERP #GRUN-595443
MFR #595443
The Grundfos 595656 is an Aquastat Kit, 1/2" Clip-on mount for 5/8" O.D. system piping size, 105°F - 115°F
(1/2" I.D. copper tubing or 3/8" steel pipe) shielded wire, with 2-ft. PVC jacketed cable.