Product Overview

Radiant Thermostat 519
For Residential and Commercial Applications
Job Name
Job Location
Engineer
Approval
Contractor
Approval
Contractor’s P.O. No.
Representative
The Watts Radiant Thermostat 519 accurately controls the room and/or fl oor
temperature for a hydronic heating zone using Pulse Width Modulation (PWM)
technology. Simple up and down buttons and a display with large type make
this thermostat easy to read and use. A Floor Sensor is included to measure
fl oor temperature to protect the fl oor from overheating and enhance comfort.
Auto Heating Cycle
Radiant Floor Heating
Pulse Width Modulation
Floor & Air Temperature
Control
•
•
•
•
Outdoor & Floor
Temperature Display
Backlight
Freeze Protection
Includes Floor Sensor
•
•
•
•
Features
Dimensions: 3-11/16" H x 3" W x 15/16" D
(94 x 76 x 24 mm)
3–11/16”
(94 mm)
3"
(76 mm)
15/16"
(24 mm)
C R Rh W1 S1 Com
No Power
9/16"
(15 mm)
2-13/16"
(72 mm)
1–3/16"
(30 mm)
2–3/8"
(60 mm)
3–9/16"
(90 mm)
9/16"
(14 mm)
2-5/16" (60 mm)
2-1/16" (53 mm)
Mounting
Base
Front
View
Side
View
Supplied with: 10'
(3 m) 2-conductor
insulated zipcord
3/16"
(5 mm)
1–1/2"
(38 mm)
Floor Sensor
Radiant Thermostat 519 with Floor Sensor 079
DESCRIPTION PROPERTY
Packaged weight 0.6 lb. (270 g)
Dimensions 3-11/16" H x 3" W x 15/16" D (94 x 76 x 24 mm)
Enclosure White PVC plastic, NEMA type 1
Approvals Meets Class B: ICES & FCC Part 15
Ambient conditions Indoor use only, 32 to 122°F (0 to 50°C),
RH ≤90% non-condensing
Power supply 10 to 30 V (ac/dc), 50/60 Hz, 1.8 VA standby,
56 VA max fully loaded, Class 2
Relay 30 V (ac/dc) 2 A, Class 2 circuits
Sensor NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892
Radiant Thermostat 519
DESCRIPTION PROPERTY
Dimensions 3/16" OD x 1-1/2" (5 mm OD x 38 mm)
Sensor Material 316 stainless steel, 10' (3 m) 24 AWG, 300 volt PVC
insulated Zipcord
Approvals CSA C US
Operating range -58 to 221°F (-50 to 105°C)
Sensor NTC thermistor, 10 kΩ @ 77°F (25°C ±0.2°C) ß=3892
Floor Sensor 079
Product Options
Qty Description Model# Order#
Radiant Thermostat 519 300152 81016550
Floor Sensor 079 300153 81016551
Watts Radiant product specifi cations in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Radiant Technical Service. Watts Radiant reserves the right to change or modify product design, construction, specifi cations, or materials
without prior notice and without incurring any obligation to make such changes and modifi cations on Watts Radiant products previously or subsequently sold.
A Watts Water Technologies Company
USA: Springfi eld, MO • Tel. [phone] • Fax: [phone] • www.wattsradiant.com
Canada: Burlington, ONT. • Tel. [phone] • Fax: [phone] • www.watts.ca
ES-WR-Radiant_Thermostat-519 1324 © 2013 Watts Radiant