How should the FS-1199ORB concealed brass mixer be positioned within the 5.16–7.87-inch installation envelope?

Set the brass valve body within the documented 5.16–7.87-inch installation range and fasten it to rigid structural support before waterproofing. Confirm the finished-wall datum, maintain a level valve axis, and leave sufficient trim and cartridge access so the Oil Rubbed Bronze control assembly can be serviced without disturbing surrounding finishes.

What supply-line preparation is required before commissioning the auto-thermostatic control?

Isolate and flush the hot and cold branches separately until construction debris, flux, thread sealant, and pipe scale are removed. Reconnect the supplies, purge trapped air, and operate the temperature control gradually so contaminants are not driven into the thermostatic regulating element during initial startup.

How should the two shower functions be hydraulically balanced during commissioning?

Run each connected outlet independently at normal service pressure and record the discharge behavior, pressure stability, and temperature recovery. Excessive restriction in one branch should be corrected before handover because unequal downstream resistance can alter perceived flow performance even when the concealed two-function selector is operating correctly.

What test confirms that inactive outlet ports remain isolated when the selector is changed?

Cycle the selector repeatedly between both functions while observing the inactive outlet for seepage, residual discharge, or pressure transfer. Acceptance requires positive port isolation, repeatable selector indexing, and no internal bypass that could cause simultaneous flow from both connected shower fixtures.

How should concealed pipe joints be tested before the wall cavity is permanently enclosed?

Cap the outlet branches and conduct a static pressure test in accordance with the project plumbing specification, followed by a flowing operational test after the outlets are connected. Inspect the concealed joints, valve interfaces, and branch connections for leakage, pressure decay, movement, or moisture before waterproofing and finish closure.

How can technicians verify that the auto-thermostat responds correctly to inlet disturbances?

Monitor mixed-water temperature with a calibrated thermometer while introducing controlled changes in inlet pressure or operating another nearby fixture. The thermostatic mechanism should limit temperature deviation and recover promptly without sustained overshoot, oscillation, or loss of temperature-control authority.

What service procedures help prevent mineral buildup inside the FS-1199ORB mixer?

Maintain upstream strainers where specified, flush the valve periodically in hard-water installations, and inspect the thermostatic and selector components if operating force or temperature response changes. Service should be performed through the trim opening so the concealed brass body and waterproofed wall assembly remain undisturbed.

What should be documented during final acceptance of the FS-1199ORB installation?

Record the installed depth, leak-test result, hot and cold inlet orientation, outlet assignments, temperature-control response, selector isolation, and extended cycling performance. Final acceptance should also confirm secure trim attachment, uniform Oil Rubbed Bronze finish condition, service accessibility, and stable operation of both shower functions.

Free Shipping

We Ship Internationally!

Fontana Showers Oil Rubbed Bronze Brass Concealed Mixer built-in Thermostat 2 Function Mixer

Alternative Views:

Availability: Project Pricing Available Request Quote

Product Code: FS-1199ORB

Request Quote

Description

Technical Specs

Extended Information

Brushed Nickel

Gold

Brushed Gold

Rose Gold

Chrome

Champagne

Matte White

Matte Black

Gun Metal Gray

Fontana Showers Oil Rubbed Bronze Brass Concealed Mixer built-in Thermostat 2 Function Mixer

The Fontana Showers Oil Rubbed Bronze Brass Concealed Mixer built-in Thermostat 2 Function Mixer, offers an immersive experience with top-notch performance and enduring durability. This bathroom upgrade ensures a lasting infusion of modern and stylish ambiance, positioning Fontana Showers at the forefront of innovative bathroom enhancements. Tailored to your discerning taste, Fontana Showers leads the way in delivering confidence-inspiring bathroom upgrades. The Fontana Showers Oil Rubbed Bronze Brass Concealed Mixer built-in Thermostat 2 Function Mixer fixture, equipped with a built-in Thermostat 2-Function Mixer, not only excels in superior performance but also showcases a robust construction that withstands the test of time. Its modern and cool aesthetic adds a timeless allure, making it a secure investment in both functionality and style. With a diverse range of shapes, finishes, and styles, Fontana Showers takes pride in empowering you to personalize your bathroom with the latest trends and innovations. Elevate your daily routine to a luxurious experience with The Fontana Showers Oil Rubbed Bronze Brass Concealed Mixer built-in Thermostat 2 Function Mixer, where cutting-edge design seamlessly meets unparalleled durability.

Fontana Showers Oil Rubbed Bronze Brass Concealed Mixer built-in Thermostat 2 Function Mixer Features:

Brand Name: FontanaShowers®
Model Number: FS-1199ORB
Finish: Oil Rubbed Bronze
Size: 5.16" - 7.87"
Shower Valve Functions: 2
Installation: Wall Mounted
Cold/Hot Water Control Type: Auto-Thermostat Control
Material: Brass
Style: Contemporary