Gas Tankless Water Heater Installation Complete Kit TKLS-CK. Gas Tankless Water Heater Installation Isolation Valve Complete Kit. With this complete tankless water heater kit, you can rest assured that your installation could go by quickly and smoothly. Noritz, Navien, Rinnai, Takagi, Bradford, Rheem, and more.High quality, lead-free compliant components with NSF 61, NSF 372 certification. Once the package is prepared, we cannot make any changes to the order. Excluding weekends and holidays, assuming your orders have. Been processed and paid for by. After receiving the item, open package and inspect item for damages. Discounts can be applied to your order immediately. If for some reason there is. We at Pacific Fittings Industry provide not only a wide variety of plumbing and home improvement products at very competitive rates, but we also offer great service to help out our customer in their needs and inquiries. The item "Gas Tankless Water Heater Installation Complete Kit TKLS-CK" is in sale since Thursday, July 19, 2018. This item is in the category "Home & Garden\Home Improvement\Heating, Cooling & Air\Water Heaters\Water Heater Parts". The seller is "pfindustry" and is located in Pomona, California. This item can be shipped worldwide.