Control up to two heating zones with the Taco SR502-4 Switching Relay, designed for quick installation and seamless integration with hydronic heating systems. Its LED diagnostics and compact design make it a reliable choice for residential boiler control and zone valve applications.

Weight	4.0 lb
Height	2.00 in.
Horse Power	1/3
Length	3.00 in.
Width	2.00 in.
Inventory Number	TACSR5024
MPN	SR502-4