Mr Fix It Plumbing 4320 Atlantic Ave #230, Long Beach, CA 90807 (562) 988-2454 http://www.mrfixitplumbing.com/ A combustion air opening in an exterior wall of 1-sq.-inch per 4000 Btu rating of h2o heater is required in the upper and reduced 12 inches on the enclosure. From repairing leaky faucets to https://emiliorjcsj.homewikia.com/10887631/long_beach_ca_plumbing_no_further_a_mystery