Functional Devices RIB02P Relay Els PW 17895 4 scim restrictor must be

4 scim restrictor must be installed in the supply line

It serves to direct conditioned air into the space (or exhaust air out) while protecting the blower and internal fins from external debris

providing flexibility for contractors servicing multiple burner configurations

Check the casting on the hydrant body or the identification tag

This unit is designed for standard 1/4 inch pilot tubing

Functional Devices RIB02P Relay Els PW 17895 4 scim restrictor must beThe Functional Devices RIB02P is a heavy duty Enclosed Power Relay engineered for demanding commercial HVAC and building automation applications. Operating with a 208 277VAC coil voltage, this double pole double throw (DPDT) relay provides reliable switching for dual circuit control logic. As part of the "Relay in a Box" series, it comes pre wired in a NEMA 1 housing with a 1 2 inch NPT nipple, significantly reducing field installation time by