Part # Description Volts 6 Ton 8 Ton 10 Ton 15 Ton 20 Ton 22 Ton 30 Ton 131852P1 VALVE H2O REG 2WAY 1" UB ALL 2 2 2 2       Standard Pressure Water or Glycol 131852P2 VALVE H2O REG 2WAY 1-1/4" UB ALL         2 2 2 Standard Pressure Water or Glycol 171819P4 VALVE H2O REG 2WAY 1" ALL 2 2 2 2       High Pressure Water or Glycol P-311A VALVE H2O REG 2WAY 1" 300# ALL         2 2 2 High Pressure Water or Glycol