MasterHeat Thermostat Relay - 500880

The MasterHeat 500880 Thermostat Relay features a built in GFCI, built-in 15-Amp relay controlling up to 150 sq. ft. at 120V or 300 sq. ft. at 240V. Daisy-chain up to ten relays per thermostat.
$139.65

Brand: MasterHeat

Availability: On order. This item will ship when back in stock (More Info)

Shipping: Free to Continental US (More Info)

SKU
MH 500880-BB

If a mat or cable system requires more than 15 Amps, install MasterHeat Relays. The 500880 MasterHeat Thermostat Relay connects directly to MasterHeat thermostats for simple control of larger systems. The MasterHeat 500850 and 500875 thermostats can accommodate up to 10 relays. The 500880 Relay is compatible with the MasterHeat ConnectPlus Thermostat, and SunTouch SunStat ConnectPlus Thermostat.

  • Built-in GFCI
  • Built-in 15-Amp relay controls up to 150 sq. ft. at 120V or 300 sq. ft. at 240V.
  • Daisy-chain up to ten MasterHeat 500880 Relays for control of up to 1,500 sq. ft. at 120 VAC or 3,000 sq.ft. at 240VAC.
  • 3-year warranty

Download User Manual
Download Product Brochure

More Information
SKU MH 500880-BB
In the Box
  • (1) Relay
  • (5) Wire Nuts
  • (2) Mounting Screws 
  • (1) Screwdriver
  • (1) Manual
UPC 799456731506
Non-Returnable No
Manufacturer MasterHeat
Warranty 3 Year Parts and Materials
Manufacturer Part Number 81019088
Voltage 120/240
Weight (lbs.) 2.00
Dimensions (L x W x H) 4 5/8" x 2 19/20" x 1 13/20"
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Customer Questions
can I hook 2 81012096 cables to one thermostat either with or without a relay? thanks
Yes, as long as you do not go over the recommended Amps of the Thermostat. If you download the User Manual from our cable product page and look at table 5 on page 9 of the manual this will help. Also there is a chart on the product page of length of cable and it's total amp draw. Give us a call if you have any doubt and we can help you check.
Can I connect a 500850SB thermostat to the 500880BB Relay ?
Yes, both of these will run on a 120v or 240v system.  
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