Universal 21 Amp 1/8 Inch NPT SPDT Pressure Switch 800120-0 with Compression Fittings

Universal 21 Amp 1/8 Inch NPT connection SPDT, 1-5 PSI pressure switch.  This switch can even carry the full heater load up to 21 amps.

This universal pressure switch replaces most any standard hot tub pressure switch for all the way up to 5.5kw heaters and beyond (max 21 amps).

Pilot duty heater contactor control or full heater load operation.

This universal spa heater pressure switch kit comes with 3/16" and 1/4" brass compression fittings as well as Barb 1/8" FIP x 1/8" NPT Brass terminal connectors for most all spa heater mounting requirements.1-5 PSI range adjustable.

This Universal replacement pressure switch kit for spa heaters includes:

Len Gordon Universal Pressure Switch (1-5 PSI)
522000 Compression Fitting 3/16" Brass
522001 Compression Fitting 1/4" Brass
522005 Barb 1/8" FIP x 1/8" NPT Brass
Terminal Connectors

So this pressure switch comes with the 1/4 inch compression fitting to go from 1/8" to 1/4" if needed.

Pressure Switch, Len Gordon, SPDT, 21 Amp, 1-5 Psi, 1/8" NPT

Compression fittings included:
1/8" FIP X 3/16" OD BRASS

1/8" FIP X 1/4" OD BRASS

1/8" FIP X 1/8" NPT BRASS

Don't need the compression fittings? Buy just the pressure switch 800120-3 here. (the -0 at the end means it is the kit including compression fittings - same pressure switch)

Need teflon tape? Best to wrap the threads of the pressure switch with teflon tape to assure a good seal at the pressure switch tap on the heater manifold.