![4 KW Watkins, Hot Springs Double Barrel Heater 4 KW Watkins, Hot Springs Double Barrel Heater](https://cdn11.bigcommerce.com/s-whbac/images/stencil/300x300/products/2283/5296/be7b27fe-306f-461d-9ea5-4aad9cd47981__37924.1669922844.jpg?c=2)
Caldera generic replacement heater manifold, low flow trombone style with pressure switch. The low flow heater assembly is stainless steel with a 3/4" heater inlet and 3/4" heater outlet size and comes in 4 KW. Replaces 6595-1, 72494, 7340, 74912, C3473-1, 72226, 72718, 39588
Balboa Part # 58321T
2001 models must use adaptor # 75002 to convert three prong to four prong