while commonly found in 6-ton commercial packaged units and split systems

ensuring factory-standard safety parameters

it can be converted for bi-directional flow using the KS-30293 conversion kit

organized footprint

this universal HSI control supports both direct flame sense (through the ignitor) and indirect flame sense (via a separate remote sensor) using a simple onboard jumper

Belimo B224+LRB24-SR-T Actuator 318820-201 while commonly found in 6-tonThe Belimo B224+LRB24 SR T is a high performance 2 way characterized control valve and actuator assembly designed for precise hydronic flow control in HVAC systems. Featuring a 1" NPT connection and a 19 Cv flow coefficient, this nickel plated brass ball valve utilizes a specialized TEFZEL characterizing disc to maintain an equal percentage flow characteristic, ensuring stable modulating control even at low flow rates. The LRB24 SR T actuator operates