Tankless Water Heater Maintenance Services
Start with the $150 standard tankless flush, or save $25 each when you bring together a Flush Party of three or more homes.
One Clear Starting Point
First-time customers begin with the standard $150 tankless water heater flush. It has a defined preventive-maintenance scope and one direct booking action.
Standard Tankless Water Heater Flush
$150 flatA straightforward preventive-maintenance visit for an eligible tankless water heater, with clear scope and no repair upsell.
The recommended starting point for first-time FlowSure customers.
Included
- Confirming that the unit and service-valve setup appear eligible for the advertised service
- Connecting flushing equipment to accessible service valves
- Circulating an appropriate descaling or cleaning solution through the eligible tankless unit
- Rinsing the flushed water circuit
- Cleaning an accessible reusable inlet filter when included in the standard service
- Visually observing accessible exterior components
- Providing a basic service summary and documentation
Important limitations
- Service requires an eligible tankless water heater with accessible and functional hot- and cold-water isolation/service valves. FlowSure may decline or stop service when valves are missing, damaged, leaking, inaccessible, or unsafe to operate, or when the requested work falls outside FlowSure’s preventive-maintenance scope.
- Actual flush results vary by unit and water conditions.
FlowSure provides preventive-maintenance services only and is not licensed by the California Contractors State License Board. Repairs, alterations, installations, gas work, and permit-required work are not offered.
Neighborhood Flush Party
$125 per homeSet up a Flush Party with yourself and two neighbors, and each home receives $25 off the $150 basic flush.
Neighbors who want to schedule three or more nearby tankless flushes together.
Included
- You and at least two neighbors
- $25 off each basic flush
- One neighborhood service day
- Add as many homes as you would like
Important limitations
- Each home needs an eligible tankless water heater for the basic flush.
- FlowSure will confirm the neighborhood service day after receiving the group details.
- The offer is for the basic flush and cannot be combined with other offers.
Visible Water System Health Check
$50A non-invasive visual maintenance check of accessible exterior water-system components.
A secondary maintenance service for homeowners who want documented visual observations.
Included
- Visual observations of accessible exterior components
- Basic pressure consistency observations during normal use when readily observable
- Basic summary of visible conditions observed during the visit
Important limitations
- This is not a plumbing, safety, or code inspection; leak detection; repair diagnosis; water-quality test; certification; or warranty service.
- Hidden piping, interior fixtures, irrigation, drains, appliances, walls, attics, crawlspaces, and inaccessible components are not included.
FlowSure provides preventive-maintenance services only and is not licensed by the California Contractors State License Board. Repairs, alterations, installations, gas work, and permit-required work are not offered.
Annual Care
$135 per yearA returning-customer benefit with the standard $150 flush discounted 10% to $135, plus one included $50 Visible Water System Health Check—a total $65 annual value.
Available only after a completed FlowSure service.
Included
- One annual standard tankless flush at 10% off the $150 public rate ($15 savings)
- One included $50 Visible Water System Health Check
- A total $65 annual value from the flush savings and included health check
- Annual reminder
- Priority scheduling when reasonably available
Important limitations
- First-time customers begin with the $150 standard service.
- Does not include repairs, parts, alterations, or permit-required work.
Ready for a Smooth Visit?
Service requires an eligible tankless water heater with accessible and functional hot- and cold-water isolation/service valves. FlowSure may decline or stop service when valves are missing, damaged, leaking, inaccessible, or unsafe to operate, or when the requested work falls outside FlowSure’s preventive-maintenance scope.
A quick check before you book
Accessible, working service valves help keep your visit simple. If your system needs repair, installation, diagnosis, or permit-required work, an appropriately licensed contractor is the right next call.
Simple maintenance, clear next steps.
FlowSure focuses on straightforward preventive maintenance for eligible tankless water heaters. If your system needs repair or licensed trade work, we’ll point you toward the right type of help.
- Repair or replacement of valves or leaking plumbing connections
- Gas-line, gas-valve, venting, or electrical work
- Plumbing alterations or water-heater installation or replacement
- Installation of isolation or service valves
- Internal component repair or diagnostic disassembly
- Code-compliance reviews, certifications, or permit-required work
Start With the Standard $150 Flush
Simple preventive maintenance for eligible tankless water heaters. Repair or permit-required work is referred to an appropriately licensed contractor.
FlowSure provides preventive-maintenance services only and is not licensed by the California Contractors State License Board. Repairs, alterations, installations, gas work, and permit-required work are not offered.