![Allied Air Switch Control [MM-1TD-W-99] [On/Off Control] [120V] [w/10 Min Delay] (910535-001) Bath Parts: Bath Controls (Electric) 58-439-2340_xl](http://bathparts.com/cdn/shop/products/58-439-2340_xl.jpg?v=1751146163&width=700)
![Allied Air Switch Control [MM-1TD-W-99] [On/Off Control] [120V] [w/10 Min Delay] (910535-001) Bath Parts: Bath Controls (Electric) 58-439-2340_xl](http://bathparts.com/cdn/shop/products/58-439-2340_xl_1024x.jpg?v=1751146163)
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Allied/Len Gordon Air Switch Control [MM-1TD-W-99] [On/Off Control] [120V] [w/10 Min Delay] (910535-001)
Recommended Replacement: CAST-201-010-01-04C
Designed for fiberglass or cultured marble tubs with a wall thickness of up to 1". Prevents activation of pump unless water in tub is above a predetermined safe level. Must be used with the Len Gordon MM series air switch or the ETD motor mount switch.