ThermoMate 3500W Tankless Water Heater Electric | Instant Hot Water for Sink | ETL Certified
ThermoMate Tankless Water Heater - Instant Hot Water for Your Kitchen

Never Wait for Hot Water Again!

ThermoMate 3500W Electric Tankless Water Heater - Instant Hot Water at Your Sink

ThermoMate Tankless Water Heater White Background

Instant Hot Water Solution

⚡ 3500W Power

Hot water in seconds

🌡️ Precise Control

86°F - 131°F range

💧 Self-Modulating

99.8% energy efficient

🔒 ETL Certified

Meets US safety standards

✅ Compact Design: Fits Under Most Sinks - 7.9" x 6.4" x 2.5"

Solving Common Water Heater Frustrations

Common Problems Other Water Heaters ThermoMate Solution
Long Wait Times
Waiting minutes for hot water		 ❌ Traditional tank heaters
❌ Slow water heating
❌ Wasted water while waiting		 ✅ Instant hot water
✅ Heats in seconds
✅ No water waste
High Energy Bills
Heating water you don't use		 ❌ Constant reheating
❌ Standby heat loss
❌ Inefficient operation		 ✅ Self-modulating
✅ Heats only what you use
✅ 99.8% efficiency
Space Issues
Bulky traditional tanks		 ❌ Large footprint
❌ Difficult installation
❌ Limited placement options		 ✅ Compact design
✅ 7.9" x 6.4" x 2.5"
✅ Fits under sinks
Maintenance Problems
Scale buildup and corrosion		 ❌ Mineral accumulation
❌ Regular flushing needed
❌ Short lifespan		 ✅ Maintenance-free design
✅ Aluminum heating element
✅ SUS 304 stainless steel

Why Choose ThermoMate Tankless Water Heater

ThermoMate Fast Hot Water Delivery

Fast Hot Water Delivery

Get hot water in seconds, not minutes. No more waiting for water to heat up or wasting water while you wait.

ThermoMate Energy Saving

Energy Efficient

Self-modulating technology uses energy only when needed. Save up to 50% on water heating costs compared to tank heaters.

ThermoMate Space Saving Design

Space Saving Design

Compact size fits perfectly under sinks, in cabinets, or small spaces where traditional water heaters can't.

Advanced Technical Features

🔧 Durable Construction

Built with cast aluminum heating element separated from water line, significantly reducing scale, corrosion and mineral buildup.

Features SUS 304 stainless steel water tube for exceptional durability and long service life.

🎛️ Intelligent Control

Advanced touch control panel with digital temperature display allows adjustment in 1° increments for precise temperature control.

IP25 waterproof rating ensures safe operation in moist environments like under sinks.


💧 Leak-free Heating Chamber

Advanced sealed design prevents leaks and ensures years of reliable operation. No more worries about water damage under your sink.


🛠️ Maintenance Free Operation

Unlike traditional water heaters that require regular flushing and maintenance, ThermoMate's advanced design operates efficiently for years with no maintenance needed.

Easy Installation & Multiple Applications

ThermoMate Water Heater Installed Near Sink

Simple Installation Process

ThermoMate tankless water heater features standard 1/2" NPT pipe fittings and pre-wired pigtail for easy installation under most sinks.

⚠️ Important Installation Note:

This 3.5kW 120V unit must be hardwired, requiring a 32A double pole circuit breaker and 10AWG minimum wire size. Please verify your electrical system meets these requirements before purchase.

Perfect For These Applications:

  • Kitchen sinks
  • Bathroom sinks
  • Bar sinks
  • Laundry rooms
  • Hair salons
  • Office break rooms
  • Hotel rooms
  • Restaurant prep stations

Technical Specifications

Power Rating 3500W
Voltage 120V (Hardwired)
Temperature Range 86°F - 131°F
Flow Rate 0.4GPM - 0.66GPM
Dimensions 7.9" x 6.4" x 2.5"
Water Connections 1/2" NPT
Safety Certification ETL Certified
IP Rating IP25 Waterproof

Is This Water Heater Right For You?

Steps to determine if ThermoMate water heater meets your demands

Check These Requirements Before Purchase:

  1. Electrical Requirements: 32A double pole circuit breaker, 10AWG minimum wire size
  2. Water Connection: Standard 1/2" NPT pipe fittings
  3. Location: Designed for single sink applications (not whole house)
  4. Climate: Works best in areas where incoming water temperature is above 50°F

About ThermoMate

Innovative Heating Solutions Since 2010

Our Mission

ThermoMate specializes in innovative, energy-efficient heating solutions for homes and businesses. We're committed to creating products that save energy, space, and money while delivering exceptional performance.

Quality Assurance

All ThermoMate products are ETL certified, meeting rigorous US safety and performance standards. We stand behind our products with excellent customer support and warranty coverage.

End Waiting for Hot Water Forever!

Experience the ThermoMate Difference - Instant Hot Water & Energy Savings

✅ Free Shipping

✅ 30-Day Returns

✅ 2-Year Warranty

🔥 Limited Time Offer 🔥

Add to Cart Now & Enjoy Instant Hot Water!

PushAuction