the 970-0021-00 kit is a comprehensive assembly that includes the sight glass itself

improves indoor comfort

this genuine ICP 1178406 provides the exact bolt-on fitment needed to restore factory-spec subcooling and superheat levels without the need for field modifications

automatically interrupting the circuit to the burners or heating elements if the supply plenum exceeds the 145°F threshold

The EPR (EPDM) seal is specifically rated for water

Belimo LMX120-SR Actuator 319852-301 the 970-0021-00 kit is aThe Belimo LMX120 SR is a professional grade modulating rotary actuator engineered for precise control of HVAC dampers and air handling unit components. This non spring return actuator delivers a constant 45 in lb (5 Nm) torque across a 95 rotation range, making it a reliable choice for VAV terminal units and small to medium damper assemblies. Designed for high efficiency, the LMX120 SR utilizes a 2 to 10 VDC control signal and features a universal