Description
Adjustable Spa Heater Pressure Switch, 3902, SPST-normally open, pilot duty, by Tecmark.
- ⅛” NPT thread (⅜” actual O.D.)
- 1-5 PSI adjustable
- 2-Terminals: NO, common
Product Notes: 1A @ 120VAC, 72 VA Pilot Duty @ 24VAC. Equiv. numbers are 3965, 36142, 3902, 3903, 34-0178, 6560-869. Also replaces 510AD0181, 510AD0167, SWPU510AD0064, 800320-3, 800315-3, 12209, 01515-04, RME-PSS-8320, WGK510AD0167.
Spa Pressure Switch Adjustment Instructions
