Brochure

W A T E R B O I L E R C O N T R O L S
5
Universal Temperature Limit, Boiler Reset
and Low Water Cut-Off Residential
Model 3000
for gas-fired boilers
Patent No. 7,891,572; others pending *Aquastat is a registered trademark of Honeywell International, Inc.
MODEL VOLTAGE DESCRIPTION/OPERATION
3000 24 VAC
3000-190 24 VAC
Three Function Control
Universal High Temp Limit
Fuel-Saving Boiler Reset
Low Water Cut-Off
*
*When installed on Hydrolevel Electro-Well
Saves Fuel
On-Board Thermal Targeting
technology reduces boiler temperature
without sacrificing comfort (see Thermal Targeting on page 3)
Easy Dial-Type Set-Up
Simply dial in the Temperature Limit and Economy Settings
LED Status Lights
Displays which functions are active and which function is not allowing the burner to fire
LWCO Test Button
Allows for easy testing without draining water or removing the sensor
Optional Thermal Pre-Purge
Enhances fuel efficiency by purging standing heat from the boiler to the zone requiring heat prior to
energizing the burner
Easy to Wire
Includes wire harnesses for connecting to common transformer-style Control Centers or Integrated Boiler
Control Modules
Replaces Common High Limit Aquastats*
Install HydroStat on existing immersion well for temperature limit and boiler reset functionality, or
Install HydroStat on an Electro-Well
to add low water cut-off protection
Specifications Model 3000 Model 3000-190
Input Voltage 24 VAC, 60 HZ 24 VAC, 60 HZ
Burner Contacts 50 VA@24 VAC Pilot Duty 50 VA@24 VAC Pilot Duty
Operating Range High Limit 100°F (38°C) - 220°F (104°C) 100°F (38°C) - 190°F (88°C)
Universal replacement high limit control with adjustable high limit for cold start
gas boilers. Replaces smaller, single-function Aquastat* models. Features built in
low water cut-off (when used with Hydrolevel Electro-Well
) and fuel saving boil-
er temperature reset technology. (Max temp 220°F for Model 3000. Max temp
190°F for Model 3000-190)