In a stockpot, bring water, vinegar and salt to a boil; boil 10 minutes. Pack cucumbers into nine hot quart jars within 1/2 in. of top. Place one dill head, two garlic cloves and two peppers in each jar. , Carefully ladle hot mixture into jars, leaving 1/2-in. headspace. . Remove air bubbles and adjust headspace, if necessary, by adding hot mixture. Wipe rims. Center lids on jars; screw on bands until fingertip tight. , Place jars into canner with simmering water, ensuring that they are completely covered with water. Bring to a boil; process for 15 minutes. Remove jars and cool.