Hayward Gas Heaters (NG or Propane) H135 $1,899.99 150,000 BTU $2,299.99 200,000 BTU $2,599.99250,000 BTU $2,899.99400,000 BTU 3,599.99275,000 BTU Dual Fuel $3,099.99400,000 BTU Dual Fuel $3,699.99 Natural Gas line Requirements vary between heaters.
