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Fogatti
Fogatti Natural Gas Tankless Water Heater, Indoor Instant Hot Water FDG-CF170W-NG

Fogatti Natural Gas Tankless Water Heater, Indoor Instant Hot Water FDG-CF170W-NG

Best price now

$649.99at The Home DepotChecked 12 h ago

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Price facts

  • Last seen at $649.99 at The Home Depot on Nov 9.

Our take on the Fogatti Natural Gas Tankless Water Heater, Indoor Instant Hot Water FDG-CF170W-NG

The Fogatti FDG-CF170W-NG is an indoor natural gas tankless water heater rated at 170,000 BTU with a maximum flow of 7.5 GPM. It runs on a standard 120 V circuit and delivers water from 80°F to 140°F through 3/4-inch NPT connections. Its UEF above 0.81 puts it in condensing territory, so it competes with mainstream gas tankless units on efficiency and flow rather than on smart features. It suits households with two to three bathrooms that want endless hot water and can handle a gas line upgrade and venting.

Best forWhole-home use in two- to three-bath householdsReplacing a tank water heater to free up floor spaceHomes with natural gas and a 3/4-inch gas supplyBuyers who want condensing-level efficiency
Pros
  • 7.5 GPM handles simultaneous showers and appliance use
  • UEF above 0.81 for lower gas use than non-condensing units
  • Compact wall-mounted white cabinet saves floor space
  • Wide 80°F to 140°F range suits domestic hot water and some hydronic use
  • Low electrical draw under 100 W on a standard 120 V circuit
Cons
  • Indoor-only, so it needs proper venting and a suitable location
  • No built-in recirculation, so hot water still lags at distant taps
  • 170,000 BTU input may require a gas line and meter check
  • Fewer smart-home and app features than big-name rivals
  • Cold-climate ground water can limit output at high flow

Fogatti Natural Gas Tankless Water Heater, Indoor Instant Hot Water FDG-CF170W-NG prices at every store

  • The Home DepotNew

    In stock

    $649.99Free shippingChecked 12 h ago
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Store links may earn us a commission. Price via Klarna.

Fogatti Natural Gas Tankless Water Heater, Indoor Instant Hot Water FDG-CF170W-NG price history

$649.99$649.99
Nov 9Nov 10

Lowest price we've seen: $649.99 on Nov 9 at The Home Depot. Tracked across 1 store since Nov 9.

Specifications

Mounting
YesSource
Support for Three-Phase
NoSource
Heating capacity
170,000 BTUSource
Maximum flow rate
7.5 GPMSource
Energy factor
UEF over 0.81Source
Material
Copper, Stainless SteelSource
Color
WhiteSource
Voltage
120 VSource
Amperage
11 ASource
Water temperature range
80°F to 140°FSource
Water connection
3/4 in NPTSource
Power
Less than 100 WSource

Questions and answers

Is 7.5 GPM enough for a whole house?
It covers roughly two showers plus a dishwasher or laundry at once in mild climates. In cold months, incoming water is colder and the unit derates, so three simultaneous hot-water draws may feel the drop.
Does it need a special gas line?
At 170,000 BTU it draws a lot of gas, so a dedicated line sized for that input is usually needed. Have a licensed plumber confirm your meter and pipe size before installing.
Can it be vented like a standard water heater?
It is an indoor condensing unit, so it needs its own venting arrangement per the manual, not a shared chimney. Follow the listed clearances and vent material.
How does it compare with a tank water heater?
It gives endless hot water and frees floor space, but installation is more involved and it needs electricity and gas. A tank is simpler and cheaper to install but runs out of hot water.
What temperature can it reach?
The range is 80°F to 140°F, which covers domestic hot water and some radiant-floor use. It is not designed for high-temperature commercial or steam applications.
Does it work with hard water?
It has a copper heat exchanger, which handles hard water reasonably well, but scale still builds up. Plan on periodic descaling, especially in hard-water areas.
Where is the Fogatti Natural Gas Tankless Water Heater, Indoor Instant Hot Water FDG-CF170W-NG cheapest?
At The Home Depot, for $649.99, as of our latest check.

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Buying guides that pick the Fogatti Natural Gas Tankless Water Heater, Indoor Instant Hot Water FDG-CF170W-NG

  • Best whole-house indoor gas tankless water heaters

Stores we've priced the Fogatti Natural Gas Tankless Water Heater, Indoor Instant Hot Water FDG-CF170W-NG at

  • Home Depot deals and prices