1"npt Screw Plug Element Dual 5/16" Thermowells, 10-32 thd studs 1" thd elements measure 1-1/4" o.d
1" Screw Plug, Screw on Terminals No thermowells, 5.5kW/240v rating CalSpa, Ramco 1" thd elements measure 1-1/4" o.d
1" Screw Plug, Screw on Terminals No thermowells, 1.5kW/120v 1" thd elements measure 1-1/4" o.d