50PEC, Guide Specifications, 8,700 to 16,900 Btuh Cooling Capacity (Water Loop), 9,500 to 20,800 Btuh Heating Capacity (Water Loop) 50PEC, Guide Specifications, 8,700 to 16,900 Btuh Cooling Capacity (Water Loop), 9,500 to 20,800 Btuh Heating Capacity (Water Loop)