Serving those who have served our community with a discount of 10% off plumbing services up to $100 per visit.Available for a Limited Time Act now! Call for more details! Offer for first responders in the Double L Plumbing service area. Not valid with any other offers or promotions. Restrictions apply. This coupon holds no cash value. Must mention this coupon at the time of scheduling. Discount only applies to service jobs. New construction not included.