Tjernlund Products WHKE Control Interlock L99H008 This industrial power transmission belt

This industrial power transmission belt is designed for interchangeability with standard A-section sheaves

This HVAC compressor heater is constructed with a durable silicone-reinforced band and a secure tensioning mechanism to withstand the vibration and thermal cycling common in light commercial and residential split systems

Inconsistent readings often indicate a clogged syphon tube or sediment buildup at the 1/4" port

Always inspect the collector box and pressure switch tubing for moisture or cracks before installing the new draft inducer

Designed for use with HCFC and HFC refrigerants such as R410A

Tjernlund Products WHKE Control Interlock L99H008 This industrial power transmission beltFor contractors interlocking millivolt controlled water heaters with a power venting system, the Tjernlund WHKE Control Interlock is the industry standard for ensuring safe and reliable operation. This kit is specifically designed to interface between gas fired appliances and Tjernlund UC1 Universal Control, MAC1E, or MAC4E auxiliary modules. By sensing gas flow through a vertical mount gas pressure switch, the WHKE signals the inducer to activate