Check the listing for details. ORBEK Tankless Water Heater 4.3 GPM Indoor 100,000 BTU Natural Gas 120 V - USED. Color: White, Condition: Used. Listed at 177.59 USD. 100,000 BTU Residential Indoor Natural Gas Tankless Water Heater, ORBEK 120 Volt On-demand Instant Hot Water Heater, Up to 4.3 GPM, CSA Certified Multiple Points of Use Water Heater Product Details Endless On-Demand Hot Water: This natural gas tankless water heater offers a flow rate of up to 4.3 GPM and a heating capacity of 100,000 BTU. It efficiently serves up to 3 fixtures at once, ensuring a steady supply of hot water throughout your home. Precise Temperature Control: Orbek's tankless water heater uses smart sensors to keep the water temperature within ±1℉ of your setting, providing a consistent and perfect bath every time, no matter the season. CSA Certified Safety: ORBEK tankless water heater is built with high-quality materials for durability. and includes anti-scald, freeze, and dry-fire protection, making it a reliable choice for home hot water. Energy & Cost Saving: Orbek tankless water heaters are highly energy efficient. Without a storage tank, tankless heaters eliminate heat loss and energy waste during the standby mode, saving you from expensive power and water costs. Easy to Install: Installation is simple with standard 3/4” NPT connectors for most water pipes. A 3” diameter vent (not included) easily connects to the direct vent. Its compact size (13"L x 7"W x 20.5"H) saves space. Copyright All Rights Reserved.