Predicted to enable sodium:potassium:chloride symporter activity. Predicted to be involved in cell volume homeostasis; inorganic ion homeostasis; and monoatomic ion transmembrane transport. Predicted to be located in membrane. Expressed in body wall musculature; intestine; neurons; oocyte; and vulval muscle. Human ortholog(s) of this gene implicated in several diseases, including autosomal dominant nonsyndromic deafness 78; middle cerebral artery infarction; and renal tubular transport disease (multiple). Is an ortholog of human SLC12A1 (solute carrier family 12 member 1) and SLC12A2 (solute carrier family 12 member 2).