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it ensures the system achieves the necessary negative pressure to vent combustion gases safely before allowing the gas valve to energize
Is the 381-800-477 a drop-in replacement for the 510-512-347
Technicians should look for intermittent ignition failures
It is commonly utilized in specific 2-ton and 2
Tjernlund Products WHKE Control Interlock 322057-301 it ensures the system achievesFor 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
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