This kit typically includes the bucket mechanism

the SR3B-05 utilizes heavy-duty M3

The Carrier 50DK406230 Support Plate is a critical OEM replacement part engineered for high-performance HVAC inducer motor assemblies and furnace heat exchanger systems

providing consistent close-off for dampers and ball valves

Hydrolevel 48-3250-67 Replacement Sensor 30067439-890 This kit typically includes theThe Hydrolevel 48 3250 67 is a 3 foot replacement sensor specifically engineered for HydroStat 3000 and 4000 series temperature limit and low water cut off (LWCO) controllers. As a critical component for hydronic heating systems, this sensor provides precise temperature feedback and water level detection, ensuring the Fuel Smart HydroStat can execute thermal targeting and protect the boiler from dry fire conditions. The 36 inch lead length offers