Will this work with schluter systems ditra heat 240v cable?

It should, it is a dual voltage 120/240 VAC controller.

Can this replace an Emerson Warm Tiles thermostat?

As long as the Emerson uses 120V line voltage then this thermostat should work and according to the installation directions for the Emerson it is a line voltage thermostat so it should work.

What's the maximum watts for this? I am needing one that controls 4500watts.

3600 Watt at 240 VAC. You may want to explore their SunStst relay C3 in addition to your controller. You can also contact their customer service; very knowledgeable and helpful people.

Suntouch Sunstat Command Color

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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B/.431

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Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Elevate your floor heating game with smart power and seamless control!

EXPAND YOUR WARMTH - Daisy-chain up to 10 relays to cover up to 3,000 sq. ft. of heated floor space effortlessly.
SAFETY FIRST ALWAYS - Built-in GFCI and status indicators ensure reliable, safe operation you can trust.
CONTROL FROM ANYWHERE - Free Watts Home app lets you monitor and adjust your floor heating system remotely on iOS and Android.
POWER MEETS PRECISION - Dual-voltage 120V/240V relay supports up to 15 amps for robust floor heating control.
SEAMLESS SMART INTEGRATION - Wirelessly connects with SunStat ConnectPlus thermostat and supports Alexa & Google voice commands.

The SunTouch SunStat Relay R4 is a high-capacity, dual-voltage (120V/240V) relay designed to extend SunTouch floor heating systems requiring over 15 amps. Featuring built-in GFCI safety, 915MHz wireless communication, and compatibility with SunStat ConnectPlus thermostats, it enables smart Wi-Fi and voice control via Alexa and Google. With the ability to daisy-chain up to 10 relays, it supports expansive heating coverage up to 3,000 sq. ft., making it ideal for large residential or commercial installations.

Specifications

ASIN	B09TRXV6L5
Best Sellers Rank	#37,418 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #405 in Heaters & Heater Accessories
Brand	SunTouch
Brand Name	SunTouch
Coil Resistance	15
Coil Voltage	240 volts_of_alternating_current
Connector Type	Plug-in Or Quick Connect
Contact Current Rating	15 A
Contact Material	Brass
Contact Type	Normally Open
Current Rating	15 A
Customer Reviews	3.9 out of 5 stars 8 Reviews
Included Components	Relay SunTouch Controller
Item Type Name	Relay R4 for 15 Amps Heating Systems for 120V and 240V
Manufacturer	Watts
Maximum Switching Current	15 A
Maximum Switching Voltage	240 volts
Minimum Switching Voltage	120 volts_of_alternating_current
Model	500980
Mounting Type	Panel Mount or DIN Rail Mount
Number of Terminals	2
Operation Mode	Automatic
Part Number	81020608
Specification Met	4-ul Certified
UPC	840213021542
Unit Count	1 Count
Wattage	4800 watts

Reviews

T**M

Perfect replacement for SunTouch C3

Perfect replacement for our SunTouch Relay C3 that had failed after 6.5 years. They redesigned the communication wire block, making it much harder to get the wires set. That was annoying for thr install, but functionality is perfect

2.04.2026

B**O

Avoid this item - no mechanism to control temperature

This thermostat did not have any control or mechanism to set the temperature of the heated floor system. I assumed that was basic functionality for a thermostat, but apparently I should have researched more before purchasing.

29.03.2026

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