This Universal Pressure Switch fits all major brands of spa controllers
that has a Pressure Switch installed on the heater. Model SG-3903.
1 amp at 120 VAC (inductive), 72 VA pilot duty at 24 ... More
Replacement Hi-Limit Switch for your SpaGuts brand
Pneumatic Controllers.
SpaGuts part numbers (Dimensions are approximate):
25-150-1035, 24" cap, 2.75" x 5/16" Bulb
25-850-1031, ... More
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anything but professional installation.
