SunTouch SunStat Relay R4 Marble Durable Construction: Incoloy stainless steel

Durable Construction: Incoloy stainless steel element resists corrosion and extends service life

and a spray-and-rinse application process

The aluminum body features an adjustable trigger and replaceable nozzles for different joint widths and application requirements

The clips install beneath adjacent tiles while the threaded caps apply leveling pressure by hand

SunTouch SunStat Relay R4 Marble Durable Construction: Incoloy stainless steelThe SunTouch SunStat Relay R4 is designed to expand the heating capacity of electric radiant floor heating systems beyond the 15 amp limit of a single thermostat. It supports both 120V and 240V floor warming systems and can be connected through wired or wireless configurations. The relay features integrated Class A GFCI protection, 915MHz wireless communication, and support for multiple relay connections from a single thermostat. Each relay controls