Prices are checked against each store and labelled with when.
It checks today's price at every store, compares the alternatives and answers in about a minute.
The Westinghouse 103NI is a natural gas indoor tankless water heater rated at 199,000 BTU and up to 10.3 GPM, sized for whole-home use in large houses with four or more bathrooms. It holds outlet temperature within about ±1°F using a self-modulating 1:20 turndown and six-stage combustion, and adds WiFi app and voice control with fault alerts. It has integrated freeze protection to -13°F and a phosphorus-deoxidized copper heat exchanger. Against rivals it is a high-capacity condensing-class unit with smart controls; buyers trade the higher gas input and venting requirements for endless hot water across many fixtures at once.
In stockShips from the UK · duties may applyReturn policy
This indoor natural gas tankless water heater is built for whole-home use. It delivers up to 10.3 GPM at 199,000 BTU and supplies hot water to 4+ bathrooms, showers, laundry and appliances at the same time, without losing water pressure.
Self-modulating technology adjusts gas and water flow to hold water temperature within ±1°F. A 1:20 turndown ratio and a 6-stage combustion system adjust energy use to real-time water demand. The heat exchanger is made of phosphorus-deoxidized copper. Integrated freeze protection works down to -13°F, and the unit is CSA-certified.
A smartphone app and voice commands let you control the heater remotely. You can adjust the temperature, monitor operation status and receive fault alerts.
