How should the FS-1199 two-function concealed thermostatic mixer be installed to ensure accurate rough-in positioning and valve accessibility?

Install the concealed solid brass valve body securely to structural framing before waterproofing and tile installation. Verify the manufacturer's rough-in depth, maintain level orientation, and align the Black trim plate precisely with the finished wall to ensure proper control operation and future service accessibility.

What commissioning procedure should be completed before operating the two-function thermostatic diverter?

Flush the hot and cold supply lines thoroughly to remove solder residue, pipe scale, sealing compounds, and construction debris. After flushing, cycle both shower functions repeatedly while operating the thermostatic control to verify stable temperature regulation, smooth diverter action, and leak-free ceramic valve performance.

How can installers verify proper hydraulic isolation between the two shower outlets?

Operate each outlet independently while monitoring the inactive outlet for unintended discharge. Proper commissioning confirms complete hydraulic isolation, balanced outlet pressure, accurate diverter indexing, and uninterrupted thermostatic performance without internal cross-flow between the two water circuits.

Why should the concealed thermostatic valve assembly undergo hydrostatic and operational pressure testing before wall closure?

Hydrostatic testing validates the integrity of concealed threaded joints under static pressure, while operational testing confirms sealing performance during flowing conditions. Inspect every concealed connection for leakage, pressure decay, fitting movement, and thread integrity before permanently enclosing the valve assembly.

How should the thermostatic temperature control be evaluated during functional acceptance testing?

Rotate the thermostatic control repeatedly through its complete adjustment range while monitoring operating torque, temperature stability, shaft engagement, and response consistency. Proper performance is achieved when outlet temperature remains stable and the control operates smoothly without backlash, sticking, or excessive resistance.

How should downstream shower components be tested for compatibility with the FS-1199 mixer?

Connect compatible rainfall shower heads, hand showers, or other approved outlets using the specified threaded connections and operate each outlet under normal service pressure. Verify balanced hydraulic performance, reliable diverter operation, and continuous thermostatic temperature regulation throughout both functions.

What maintenance practices help preserve the Black finish and concealed thermostatic mechanism?

Clean exposed Black-finished surfaces using a soft microfiber cloth with a pH-neutral cleaner while avoiding abrasive materials, acidic descalers, bleach, and ammonia-based chemicals. Periodically flush the plumbing system to reduce mineral accumulation that could affect the thermostatic cartridge, ceramic valve surfaces, and internal waterways.

Which final inspections confirm the FS-1199 is fully commissioned for commercial operation?

Final acceptance should verify leak-free concealed connections, rigid valve-body mounting, accurate two-function diverter operation, stable thermostatic temperature regulation, smooth ceramic valve performance, proper trim alignment, complete outlet isolation, and repeatable hydraulic performance during extended functional testing.

Fontana Showers Bathroom Faucet Brass Concealed Mixer built-in Thermostat 2 function Mixer, Black

Fontana Showers Bathroom Faucet Brass Concealed Thermostat Mixer 2 function Black

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Retail Price: $745.20

Sale Price: $577.58

Savings: $167.62

Availability: Usually Ships in 5 to 10 Business Days

Product Code: FS-1199

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Description

Technical Specs

Extended Information

Chrome

Fontana Showers Bathroom Faucet Brass Concealed Mixer built-in Thermostat 2 Function Mixer, Black Finish

This Fontana Shower Mixer is capable of delivering superior performance with a solid construction for long durability that will upgrade your bathroom with a modern and cool look for a long period of time. When it comes to new bathroom upgrades, FontanaShowers offers shape, finishes and styles that you've been looking for.

Fontana Showers Bathroom Faucet Brass Concealed Mixer built-in Thermostat Mixer Features:

Brand Name: FontanaShowers

Model Number: FS-1199

Finish : Black

Size : 131-200mm

Shower Valve Functions: 2

Installation: Wall Mounted

Cold/Hot Water Control Type: Auto-Thermostat Control

Material: Brass

Style: Contemporary

Quantity: 1 Pc

Features

Fontana Matte Black 2-Function Thermostatic Mixer FAQ

38°C Calibration, Dual-Outlet Control & Concealed Valve Commissioning

This matte black concealed shower mixer combines a solid brass valve body, automatic thermostatic regulation, and two independently controlled shower outlets.

How should the thermostatic reference temperature be calibrated?

Run the mixed-water outlet until temperature stabilizes, verify the discharge with a calibrated thermometer, and reposition the control handle so the 38°C index matches the measured output.

How should the two concealed outlet branches be commissioned?

Operate each outlet control independently under normal pressure and confirm correct routing, stable flow, complete shutoff, and no hydraulic communication between the inactive waterways.

What must be confirmed before closing the finished wall?

Verify hot-left and cold-right inlet orientation, secure the brass valve body at the required finished-wall depth, and confirm that the mounting assembly remains level and rigid.

Which concealed connections require pressure testing?

Test both supply unions, the thermostatic cartridge chamber, the two outlet-control valves, threaded seals, and concealed outlet branches while every connection remains visible and serviceable.