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FL Anti-Scald Valve Guide

ASSE 1016 compliance, scald risk assessment & FL code

Florida Plumbing Code 2023
🌡️Scald Burn Timeline
100°F120°F130°F140°F+
🟢 100–110°F — Safe for all users including elderly and children
🟡 110–120°F — Safe for adults; use caution with vulnerable users
🟠 120–130°F — 3rd-degree burn in 5 minutes at 120°F
🔴 130–140°F+ — Serious burn in 5–30 seconds
140°F
Burns in 5 sec
130°F
Burns in 30 sec
120°F
Burns in 5 min
110°F
FL code max (ALF)
⚙️Scald Risk Assessment
📊Florida Scald Injury Statistics
3,800
FL ER scald visits/yr
65%
Involve elderly/children
25%
From tap water scalds
#1
Preventable home burn cause
Key fact: Most FL water heaters are factory-set to 140°F to suppress Legionella bacteria growth. Without a thermostatic mixing valve, shower water can reach 140°F in seconds — causing severe burns before you can react.
🔧Pressure-Balancing Valve (PBV)
ASSE 1016 Type P
Maintains the ratio of hot-to-cold pressure when supply pressures change — protects against sudden cold or hot spikes when someone flushes a toilet or runs a washing machine. Does not control outlet temperature if supply temperature changes.

Best for: Standard FL residential showers where water heater is set ≤120°F.
Limitation: If your hot supply is 140°F and cold pressure drops, you can still scald.
Common brands: Moen Posi-Temp, Delta Monitor 1400/1700, Kohler Rite-Temp
Installed cost: $250–$600 retrofit · $150–$350 new construction
Cartridge-only swap: $120–$280 (same valve body, new cartridge)
🌡️Thermostatic Mixing Valve (TMV)
ASSE 1016 Type T
Blends hot and cold water to a precise delivery temperature regardless of pressure or supply temperature changes. Includes a thermal fail-safe that shuts off flow if cold supply is lost — preventing scalding even if cold water line fails.

Best for: ALFs, child care centers, nursing homes, elderly residents. Required by FL code in regulated facilities.
Advantage: Maintains ≤110°F delivery even if heater is at 140°F.
Common brands: Watts Leadfree, Symmons, Lawler, Leonard, Honeywell
Point-of-use installed cost: $400–$950
Whole-house TMV at water heater: $300–$700 — protects ALL fixtures
🔄Combination Thermostatic / Pressure-Balancing
ASSE 1016 Type T/P
Combines both pressure-balancing and thermostatic control in a single valve body — maximum protection for showers and tubs. Required for many new FL construction projects under 2023 Florida Plumbing Code.

Best for: New builds, full bathroom renovations, homes with children or elderly, any FL regulated facility.
Common brands: Moen M-PACT UT, Delta MultiChoice Universal w/ thermostatic, Kohler DTV
Installed cost: $500–$1,400 retrofit · $350–$800 new construction
⚠️No Anti-Scald Protection
Non-Compliant (FL FPC 2023)
Two-handle tub/shower valves with no thermostatic or pressure-balancing control. Common in pre-1994 FL homes. A single toilet flush can spike hot water 20–30°F instantly with no protection.

Risk level: HIGH — especially with water heaters above 120°F.
Upgrade path: Replace valve cartridge or full valve with PBV minimum. Thermostatic upgrade may require drywall access and tile work.
Estimated retrofit: $350–$900 + tile repair $200–$1,200 if wall access needed
💰FL Market Cost Guide 2024
Installed Prices — South Florida Labor Rates
Cartridge-only PBV swap$120–$280
Full pressure-balancing valve$250–$600
Thermostatic valve (point-of-use)$400–$950
Whole-house TMV (at heater outlet)$300–$700
Combination T/P valve (retrofit)$500–$1,400
Tile repair (if wall access needed)$200–$1,200
Permit (if required)$50–$175
Best value: A whole-house thermostatic mixing valve installed at the water heater outlet protects every fixture simultaneously — usually the most cost-effective solution vs. upgrading individual shower valves one by one.
🔍Valve Identification Guide
How to Identify Your Existing Valve
Two handles (separate hot/cold): No anti-scald protection. Pre-1990s installation. Upgrade strongly recommended.
Single lever — simple cartridge: May be pressure-balancing. Check for "limit stop" ring inside cap — if present, likely ASSE 1016 Type P compliant.
Two-control (volume + temp separately): Likely thermostatic. Look for brand label: Moen TS, Delta T, Kohler K-T series.
No markings visible: Call a licensed FL plumber for identification — do not guess on facility-regulated properties.
📋FL Plumbing Code Requirements by Occupancy
Florida Plumbing Code 2023 / ASSE 1016
Occupancy TypeMax Delivery TempValve Required
Single-family residential120°FPBV minimum (ASSE 1016)
Multi-family (≥3 units)120°FPBV or TMV
Child care / daycare110°FTMV required (ASSE 1016 Type T)
Assisted living (ALF)110°FTMV required — FL AHCA Rule 59A-36
Nursing home (SNF)110°FTMV required — FL AHCA Rule 59A-4.108
Adult family-care home110°FTMV required — Rule 58A-14
Hospitals / surgery centers110°FTMV required — FGI Guidelines
Schools (K-12) hand-wash110°FTMV at lavatories
Hotels / motels120°FPBV or TMV
Commercial / industrial120°FPBV minimum
🏛️Key Florida Code Sections
FPC 2023 Section 424.5Shower & tub scald protection required
FPC 2023 Section 424.5.1ASSE 1016 / ASME A112.18.1 compliance
FBC Plumbing 2023 §606.1Hot water supply temperature limits
FL AHCA Rule 59A-36.020ALF hot water ≤110°F at fixtures
FL AHCA Rule 59A-4.108(5)SNF hot water temp requirements
FL Rule 65C-22.006(1)(h)Child care hot water max 110°F
ASSE 1016-2017Performance requirements for shower valves
ASSE 1070-2015Point-of-use thermostatic mixing valves
🏠County Permit Requirements
Valve Replacement — When Is a Permit Required?
CountyLike-for-Like SwapUpgrade to TMV
Miami-DadeNo permitPermit required
BrowardNo permitPermit required
Palm BeachNo permitPermit required
HillsboroughNo permitPermit required
OrangeNo permitPermit required
PinellasNo permitPermit required
DuvalNo permitPermit required
LeeNo permitPermit required
CollierNo permitPermit required
SarasotaNo permitPermit required
General rule: In-kind cartridge or valve replacement typically requires no FL permit. Upgrading from PBV to TMV, or adding a new whole-house mixing valve, almost always requires a permit — and inspection upon completion. Regulated facilities (ALF, childcare) require licensed contractor installation and FL AHCA inspection.
⚖️Legionella vs. Scald: The FL Dilemma
FL plumbers face a dual challenge: CDC recommends storing hot water at 140°F to kill Legionella bacteria, but delivering water at that temperature risks severe scalding — especially for children and elderly residents.

The solution: A thermostatic mixing valve (TMV) allows you to maintain the water heater at 140°F for Legionella control while limiting delivery temperature to ≤110–120°F at fixtures. This is now the code-compliant standard for regulated FL facilities and best practice for all residences.
📞Free Anti-Scald Inspection

Our licensed FL plumbers test actual delivery temperatures, identify valve types, check ASSE 1016 compliance, and quote the right solution for your home or facility.

✅What Our Inspection Covers
✔ Actual delivery temperature measured at each fixture
✔ Current valve type identified (PBV / TMV / none)
✔ ASSE 1016 compliance status confirmed
✔ FL Plumbing Code compliance for your occupancy type
✔ Water heater setpoint verification and adjustment
✔ Legionella risk assessment (storage temp)
✔ Written quote for any recommended upgrades
✔ Permit assistance if valve upgrade is required
✔ FL AHCA compliance docs for regulated facilities
🏆Why Choose a Licensed FL Plumber
Anti-scald valve installation in regulated FL facilities (ALFs, nursing homes, child care centers) must be performed by a Florida-licensed plumbing contractor. Work performed by unlicensed contractors voids AHCA compliance — risking facility license suspension.

For residential work, a licensed plumber ensures ASSE 1016 certification of the installed valve and carries liability insurance — critical if a scald injury occurs after improper DIY installation.
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Florida Quick Answers

How much does anti scald valve cost in Florida?

On this page, Florida anti scald valve estimates run about $500-$1,400, depending on home size, materials, and project scope. Use the calculator above for a Florida-specific estimate.

What affects the price?

Pricing depends on the size and layout of your home, the pipe materials and fixtures you choose, your Florida region and local labor rates, and permit fees. Work that is more complex or harder to access generally costs more.

Can I DIY this, or should I hire a licensed plumber?

In Florida, minor maintenance may be DIY, but anything beyond that generally calls for a licensed plumber, and many jobs require a permit and inspection. When a permit, or your main water or drain lines are involved, hire a Florida-licensed plumber.

Does homeowners insurance cover it?

It depends on the cause and your specific policy. Sudden, accidental damage is more often covered than gradual wear-and-tear or maintenance - confirm the details with your insurer.

How long does it take?

Timelines depend on scope - many routine jobs take a few hours to a day, while larger projects run longer. Your licensed plumber can confirm after assessing your home.

Plan with confidence

Planning estimate, not a quote — confirm with a licensed Florida plumber. Confidence is qualitative: ranges reflect this page’s Florida assumptions, not a guaranteed price.

Key assumptions

Estimates on this page are Florida-specific and reflect Anti Scald Valve for typical Florida homes.

From this page: On this page, Florida anti scald valve estimates run about $500-$1,400, depending on home size, materials, and project scope. Use the calculator above for a Florida-specific estimate.

Your actual cost depends on your home's condition, layout, and local labor and permit rates.

Factors that raise or lower cost

From this page: Pricing depends on the size and layout of your home, the pipe materials and fixtures you choose, your Florida region and local labor rates, and permit fees. Work that is more complex or harder to access generally costs more.

Generally raises cost: harder access, older homes, added permits and inspections, premium fixtures or materials, and emergency or after-hours work.

Generally lowers cost: easy access, bundling several items in one visit, standard fixtures, and off-peak scheduling.

Preparation checklist

  • Clear access to the work area and locate your main and fixture shut-off valves.
  • Check with your county or city building department (AHJ) on whether a permit and inspection are required.
  • Note the make, model, or measurements of existing fixtures and pipe materials.
  • Get the scope, total price, warranty, and cleanup terms in writing before work starts.
  • Verify the plumber holds an active Florida license and carries insurance.

Questions to ask your plumber

  • Are you licensed and insured in Florida, and who pulls the permit?
  • Is the quote itemized for parts, labor, permit fees, and disposal?
  • What could change the final price once the work begins?
  • What warranty covers the parts and the labor?
  • How long will the job take, and will my water be shut off?
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Last reviewed: July 1, 2026 (US Eastern)

Reviewed by the FL Plumbing Tools editorial team.

Sources: Florida plumbing cost research and Florida Building Code / local authority-having-jurisdiction (AHJ) permit references.

Florida reference: Estimates and guidance reflect Florida labor rates, permitting, hard water, humidity, and coastal conditions.

Updates: Reviewed periodically and updated as Florida codes, permit fees, and market rates change.