ThermoMate Tankless Water Heater CZ264NG Natural Gas Indoor 3.06 GPM

Condition: New

ThermoMate CZ264NG is an indoor natural gas tankless water heater for household showering, bathroom and kitchen hot water. It delivers up to 3.06 GPM with 75,000 BTU and temperature stability within ±1°F.

Fits
Indoor household bathroom and kitchen hot water applications.

Features
Provides a single shower at 2 GPM at 105°F with inlet water as low as 52°F.
With summer inlet water at 65°F, maintains shower performance while also supplying a faucet at 0.5 GPM.
Provides on-demand hot water without waiting or cold water shocks.
Boil-dry protection.
Freeze protection.
Flame-out protection.
Overheating protection.
Over-temperature protection.
Pipe blockage protection.
High-temperature lock.
Excessive air pressure protection.
High Water Pressure Protection.
Dry Combustion Protection.
Flame Failure Protection.
Equipped with 4 ceramic heating cores.
Automatically activates frost protection at 41°F (5°C).
Uses minimal electricity to generate gentle warmth that helps prevent pipe ice buildup.
Oxygen-free copper heat exchanger provides efficient heat transfer.
The heat exchanger resists corrosion.
Delivers up to 98% thermal efficiency.
UEF of 0.81 helps reduce energy waste.
May lower annual operating costs by approximately 30% compared with traditional water heaters.
Water flow and temperature sensors continuously adjust water flow and gas input.
Maintains temperature stability within ±1°F as demand or inlet temperature changes.
The control chip adjusts heating output 20,000 times per second.
Compact design takes up less than one-third the space of traditional tank models.
Standard water, gas and vent connections simplify installation.
UL-approved 120V plug provides electrical power.
Adjustable water temperature from 90-140°F.
The 3.5-inch LED display shows flow, fan and flame status.
Integrated Error Code Indicator helps with troubleshooting.

Specifications

• Brand: thermomate
• Model: CZ264NG
• Manufacturer Part Number: CZ264NG
• Type: Tankless Water Heater
• Power source: Natural Gas
• Mounting location: indoor
• Mount type: Wall
• Maximum flow: 3.06 GPM
• Heat output: 75,000 BTU
• Capacity listed in product data: 3.06 gallons
• Color: Metallic Silver
• Voltage: 120 volts_of_alternating_current
• Thermal efficiency: Up to 98%
• UEF: 0.81
• Temperature range: 90-140°F
• Temperature stability: ±1°F
• Display: 3.5-inch LED
• Nominal dimensions stated in description: 21"H × 13"W × 7"D
• Item dimensions listed in information table: 13.77"W x 21.65"H
• Item weight: 19.8 pounds
• Heat exchanger material: Oxygen-free copper
• Water inlet/outlet connections: 3/4" NPT
• Gas inlet: 1/2" NPT
• Vent connection: 3" OD
• Maximum pressure: 150 psi
• Number of items: 1

What's in the box
Water Heater
Installation Kits

Condition: New

Details

• Brand: thermomate
• BTU/h Heating Rating: 75,000 BTU
• Color: Metallic Silver
• Features: compact, corrosion resistance, boil-dry, freeze, flame-out, overheating, over-temperature, pipe blockage, high-temperature lock, excessive air pressure, High Water Pressure Protection, Dry Combustion Protection, Flame Failure Protection, Integrated Error Code Indicator, Anti-Freezing Protection, 3.5
• Heating System: Tankless
• Item Height: 21.65"H
• Item Width: 13.77"W
• Manufacturer Part Number: CZ264NG
• Model: CZ264NG
• Mounting Location: indoor, Wall
• Power Source: Natural Gas
• Type: Tankless Water Heater
• Unit Quantity: 1
• Voltage: 120 volts_of_alternating_current
• Water Connection: 3/4" NPT
• Water Heater Profile: compact
• Water Temperature Range: 90-140°F
• Year Manufactured: 2026