Hayward Gas Heaters (NG or Propane) H135 $1,999.99 150,000 BTU $2,399.99 200,000 BTU $2,699.99250,000 BTU $2,999.99400,000 BTU 3,699.99275,000 BTU Dual Fuel $3,199.99400,000 BTU Dual Fuel $3,799.99 Natural Gas line Requirements vary between heaters.
