$99 Drain Clearing promotion applies to clearing of one interior branch line drain only. Additional services, replacements, or costs not included. Residential only. $100 off your next plumbing service only valid with completion and full payment of a $99 drain clearing, must apply to a plumbing service over $500, and must be redeemed within 60 days of your drain clearing appointment - Exclusions apply. Subject to change or availability.