Rheem RTG20006DW Water Heaters, Red

Southwire 64162122 2 Conductor 18/2 Thermostat Wire, 18-Gauge Solid Copper Class 2 Power-Circuit Cable, Brown

Webstone 44443WPR 3/4-Inch IPS Isolator EXP E2 Tankless Water Heater Service Valve Kit with Clean Brass Construction

Leviton GFWT1-W Self-Test SmartlockPro Slim GFCI Weather-Resistant and Tamper-Resistant Receptacle with LED Indicator, 15-Amp, White

Rheem RTG20220AB Webstone Tankless Water Heater Service Valve Kit, Clean Brass

Hydro Master 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief Valve, Clean Brass

3M Aqua-Pure Whole House Scale Inhibition Inline Water System AP430SS, Helps Prevent Scale Build Up On Hot Water Heaters and Boilers