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1/2 FIG. 1/3 Temperature & pressure relief valve discharge line to drain Hot water outlet 3/4 NPT male Hot water outlet 3/4 NPT male 3/4 NPT male plug 3/4 NPT male plug Temperature & pressure relief valve discharge line to drain Cold water inlet 3/4 NPT male Cold water inlet 3/4 NPT male Hot water outlet 1/2 NPT male 3/4 NPT female tapping for relief valve FIG. 1/1 Temperature & pressure relief valve, 3/4 NPT male Cold water inlet 1/2 NPT male Temperature & pressure relief valve discharge line t