DIV 22 · PLUMBINGPLUMBINGCUT SHEET INDEXED

Watts521

Watts Programmable Thermostat. Model 521. Microprocessor control for single stage heating, two stages of heating, or heat-cool; Includes Slab Sensor 079 with 10' (3 m) 2-conductor wire; 7-day or 24-hour programmable schedule with 2 or 4 events per day

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PDF521.pdfData sheet
Watts 521 cut sheet — first page
Official manufacturer data sheetOpen PDF ↗
Manufacturer
Watts
Catalog no.
521
Product type
Plumbing
MasterFormat
22
Cut sheet
PDF · manufacturer current

Product details

Catalog number521
DescriptionWatts Programmable Thermostat. Model 521. Microprocessor control for single stage heating, two stages of heating, or heat-cool; Includes Slab Sensor 079 with 10' (3 m) 2-conductor wire; 7-day or 24-hour programmable schedule with 2 or 4 events per day
Relay rating30 V (ac/dc) 2 A, Class 2 circuits. material: White PVC plastic
FinishWhite
MountingWall mount, optional Adaptor Plate 012 for single gang electrical box
Dimensions3-11/16" H x 3" W x 15/16" D (94 x 76 x 24 mm)
ComplianceNEMA type 1, ICES & FCC Part 15, CE
Voltage10 to 30 V (ac/dc), 50/60 Hz, 1.8 VA, Class 2.

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