Green Flow Solution logo
Schedule Service

Water heater

Back to Lochinvar products

Lochinvar Water heater Armor Water Heaters

Request ServiceEquipment Quote
Lochinvar Hydronic heating Water heater Repair, maintenance, and replacement planning
Lochinvar Armor Water Heaters product image

Technical Specifications

Product Specs

  • Brand: Lochinvar
  • Product family: Armor Condensing Water Heater
  • Equipment type: Water heater
  • Product group: Commercial water heating
  • Representative model: AWH0400NPM 100
  • Maximum input: 399,000 BTU/hr
  • Thermal efficiency: 99%
  • Fuel source: natural gas or propane family
  • Key feature: condensing stainless steel heat exchanger
  • Official source: Lochinvar product page
  • Model or series: Armor Water Heaters
  • System role: Hydronic heating equipment for hot-water heating systems
  • Application: Residential or commercial hydronic heating applications when model capacity is appropriate
  • Compatibility check: Verify fuel type, venting, electrical requirements, capacity, controls, and installation clearances.
  • Verified source: lochinvar.com

Useful troubleshooting details

  • Confirm the exact Armor Water Heaters model number, serial number, capacity, voltage, refrigerant or fuel type, controls, and matched equipment.
  • Share current symptoms, alerts or error codes, recent maintenance, access notes, and whether the issue is urgent or planned.
  • For replacement planning, note comfort goals, existing equipment age, and any heat-pump, electrification, or rebate-related questions.

Service planning

How GreenFlow handles Armor Water Heaters 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.

Our Services

Showing services from our catalog

Brands We Service

Popular cities

Service Areas

Our Happy Customers

Sharad W.

Green Flow and the people who work there are terrific. Vlad and Andre are excellent. Andre was very helpful. He was punctual, respectful, efficient and knowledgeable. He did not try to sell me something I didn’t need ( as others have done before). I was charged $99 which...

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.

Neal V.

In an industry that often fraught with contractors taking advantage of homeowners, Andrey was honest with his assessment and willing to install a product acquired elsewhere (most want that margin themselves), patiently answered my questions (I’m an engineer so like to understand what’s happening), and proactively offered practical...

Jahangir R.

They were very organized to communicate and be on time to come to look at my air condition to fix it.

View All