Part # Description Volts 72G 75A 86W 110G 111G 114A 115A 127W 128W 116G 121G 125A 130A 138W 143W 192G 199A 219W 240G 245A 267W 363G 380A 412W 131853P1 VALVE H2O REG 3WAY 1" UB ALL 2 2 2 2     Standard Pressure Water, Glycol, or Glycool Models. Water Cooled only on 219W. 131853P2 VALVE H2O REG 3WAY 1-1/4" UB ALL       2 2 2 Standard Pressure Water, Glycol, or Glycool Models. Glycol or Glycool Cooled only on 192G. Water or Glycol on 412W and 363G. 125673P1 VALVE H2O REG 3WAY 1-1/2" ALL           2 Standard Pressure Glycool Models only. P-311B VALVE H2O REG 3WAY 1" 300# ALL 2 2 2 2 2 * High Pressure on Glycool Models. Water, Glycol, and Glycool on 192G. Water, Glycol, and Glycool on 240G and 267W. * - On Glycol 363G, 2 valves are used. On Glycool 363G, 4 valves are used. 171818P4 VALVE H2O REG 3WAY 1" 350# ALL 2 2 2 2     Water Cooled only on 219W.