Overview Reviews Product Description EF-1097 SPX Fenner Stone 12VDC, 16 watt solenoid coil. Deltrol # 10157-79. Weatherproof for use with both indoor and outdoor hydraulic power units, with a two-pin flying lead connector. We are an authorized SPX Stone distributor! Product Videos Custom Field Product Reviews Write a Review Write a Review × SPX EF-1097 SPX Stone 12VDC Solenoid Coil Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *