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Honeywell RC845 Add-On Fossil Fuel Relay

SKU: 375897

Save 57% · Retail: $134.27

  Available to Ship in 3-4 weeks

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About the Honeywell RC845

Honeywell RC845 Add-On Fossil Fuel Relay. Relay controls a gas, oil or electric furnace and the fan when adding a heat pump to an existing heating system.

Product Details

Manufacturer: Honeywell
Style: Parts
Mpn # RC845
Weight 0.10 lbs.

Product Features

  • Compatible with most heat pump thermostats
  • Compact size permits installation on or inside an electrical box
  • Integrated design eliminates need for two-relay setup
  • Clearly labeled wires and connections enable simple installation and servicing
  • Low voltage dry contact output activates auxiliary heating system
  • Line voltage contact output controls fan
  • Terminal board connection enables easy installation


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