Sloan® PWT™ Transformer, Box Mount, Series: EL-154, For Use With: Sloan® Optima® and PWT® System, 50 VA, 120 VAC Primary, 24 VAC Secondary, 50/60 Hz, 3-1/8 in H x 4-1/4 in W
MICRO Plumb Products 50 VA Transformer. Box-Mount Transformer designed for used with PWT Systems.