Search query: 30 gallon gas water heater

Product: Rheem RTEX-18 18kW 240V Electric Tankless Water Heater, small, Gray
Brand: Rheem
Color: Gray
Relevance: Irrelevant
External digital thermostatic control with LED display (+/1 degree accuracy)
Most advanced self-modulation, adjust power to meet hot water demand
Durable Copper immersion two heating elements, field Serviceable. Flow Rate- up to 4.4 GPM
Simple installation – bottom 3/4 inch NPT water connections
Threaded for easy replacement, simple installation, digital temperature display

Product: Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
Brand: Rheem
Color: Gray
Relevance: Substitute
ON/OFF Dial Control with adjustable digital temperature display
Self-modulating power control
24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
Bottom 3/4" NPT water connections
On demand, consistent and continuous hot water