Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray & 3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS
- Product 1: External digital thermostatic control with LED display (+/1 degree accuracy).
- Product 1: Most advanced self-modulation, adjust power to meet hot water demand.
- Product 1: Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM.
- Product 1: Simple installation – bottom 3/4 inch NPT water connections.
- Product 2: HELPS PROTECT HOT WATER HEATERS: Polyphosphates, included in this product, help to inhibit scale build up in hot water heaters (both standard (gas or electric) and tank less styles) and boilers.
- Helps extend the life of hot water heaters and hot water using appliances, pipes, and downstream plumbing fixtures such as faucets and shower heads.
- Product 2: MAINTAINS EFFICIENCY: By inhibiting scale build up on heating elements, helps maintain water heater efficiency.
- Product 2: EASY TO REPLACE: Easy change out of the 3M Aqua-Pure AP431 replacement water cartridge makes system maintenance easier.
- Product 2: HIGH FLOW RATES: 3/4 Inch NPT inlet/outlet connections for easy installation and high flow rates (rated for up to 10 GPM).
- System to be installed on cold water line feeding the water heater.