Overview Reviews Product Description Viair 90113 Pressure Switch with Relay, Black, 1/8 in. NPT (M) Viair 90113 Product Videos Custom Field Product Reviews Write a Review Write a Review × Viair Viair 90113 Pressure Switch with Relay, Black, 1/8 in. NPT (M) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *