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Commercial tankless electric water heater

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Rheem Commercial tankless electric water heater Thermostatic Tankless Electric Water Heater

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Rheem Commercial water heating Commercial tankless electric water heater Repair, maintenance, and replacement planning
Rheem Thermostatic Tankless Electric Water Heater product image

Technical Specifications

Product Specs

  • Self-diagnostics with intelligent controls actively protect heater in installed environment
  • SafeStart™ technology engages upon start-up to help avoid dry-fire occurrence
  • Industry leading low flow activation at 0.2 GPM
  • 1-2 GPM
  • Official product category: Commercial tankless electric water heater
  • Official source page: https://www.rheem.com/product/rheem-thermostatic-tankless-electric-water-heater-rteh100/
  • Brand: Rheem
  • Model or series: Thermostatic Tankless Electric Water Heater
  • Equipment type: Commercial tankless electric water heater
  • Product group: Commercial water heating
  • System role: HVAC control, thermostat, sensor, or interface component
  • Application: Commercial, light-commercial, or managed-building HVAC and water-heating applications
  • Compatibility check: Verify fuel type, venting, electrical requirements, capacity, controls, and installation clearances.
  • Verified source: rheem.com

Useful troubleshooting details

  • Confirm the exact Rheem model or SKU, serial number, equipment age, and installation location before scheduling service.
  • Share photos of the data plate, equipment cabinet, nearby controls, access area, and any visible leaks, ice, alerts, or error codes.
  • For water-heating equipment, note hot-water symptoms, temperature swings, pressure concerns, venting, condensate, scale, and maintenance history.

Service planning

How GreenFlow handles Thermostatic Tankless Electric Water Heater requests

1

Identify the equipment

Confirm the model or series name, serial number if available, photos, and whether the unit is roof, exterior, basement, or mechanical-room equipment.

2

Describe the service issue

Share no heat, no cooling, weak airflow, error codes, alarms, leaks, noise, control problems, or comfort complaints.

3

Review access and history

Include access notes, tenant or business-hour constraints, filter status, recent repairs, and maintenance records when available.

4

Plan the next step

GreenFlow can route the request for diagnostics, repair planning, maintenance, replacement scope, or related system upgrades.

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Our Happy Customers

Anna F.

They showed up within an hour of me making the call on a Sunday. They fixed our system and taught us how to replace the fuse in the future. We would definitely call again.

Jenny W.

Great service! On time, knowledgeable & professional

Ray

Just had a service call because my tankless water heater stopped working with E110 code. Andrey located the root cause real quick and fixed the issue within half an hour, also gave reasonable recommendations for further maintenance.

Michele Z.

Andrey was professional, prompt, smart, thorough and exceedingly pleasant. We are likely switching our current HVAC company to Green Flow.

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