Plumber installed a combined hydronic heating and domestic hot water system that may contaminate potable water with bacteria due to stagnation and an air separator not certified for potable use.

The installed system uses a non-potable-rated air separator and relies on a schedule thermostat for bacterial control, which could fail without detection, posing health risks.

Severity

4High

Willingness to Pay

implied

Added

Jun 5, 2026

Workarounds Described

relies on schedule thermostat to run 30 min at 120°F nightly

Implied Software Gaps

Smart safety monitor that verifies periodic disinfection cycle completion and detects failures

App Concept

AquaPure Monitor

A smart monitoring system that verifies water quality and system operation in combined hydronic-DHW setups. It detects stagnation, checks for bacteria growth indicators, and alerts homeowners if disinfection cycles fail, ensuring safe domestic water.

Key Features

Real-time water temperature monitoring
Automated bacterial growth risk alerts
Compliance check with local plumbing codes
Remote system status via mobile app

Target Users: Homeowners and plumbers installing combined hydronic-DHW systems in residential settings

Revenue Model: $199 device + $9.99/mo subscription for cloud monitoring and alerts

Existing Solutions Mentioned

Caleffi DISCAL air separator

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