Competitive Cross Reference

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For a complete cross reference, please visit customer.resideo.com
AQUASTAT
®
The boiler industry-standard, Resideo Aquastats have a proven track record, wide OEM new
equipment usage and a large installed base. Our electronic Aquastat
®
family builds on this reputation
while adding performance-enhancing features. Resideo service parts have you covered, offering
universal compatibility and improved service call eciency — while keeping both distributor and
contractor satisfaction in mind.
When selecting an Aquastat
®
for your next job, look for these Resideo features:
Broad range and exibility covers a variety of applications and needs
Universal versions allow multiple mounting and conguration capability
Universal versions reduce inventory and assure truck availability
Electronic versions include communications as a standard feature, allowing add-on eciency,
troubleshooting and monitoring capability
EnviraCOM™ communications-enabled
MULTI-FUNCTION
L8124/L8148
TRIPLE AQUASTAT
®
RELAY
Oil and gas versions
High-limit or high-and-low-limit versions
Mounts directly on boiler horizontally or vertically
Provides multi-zone control
Immersion-type controllers that combine high limit protection with
low limit and circulator control in forced hydronic heating systems
The L8148 includes a transformer to provide power for the
low-voltage control circuit
Gas versions include a transformer to provide power for the low
voltage circuit
SINGLE-FUNCTION
L6006/L4006
AQUASTAT
®
CONTROLLER
Totally enclosed Micro Switch snap-acting switches operate on
temperature rise to set-point
Visible control point scale and external adjustment screw permit
easy setting
Horizontal or vertical insertion of sensing element
Direct or well immersion of the sensing element
SPST and SPDT switching action
SINGLE-FUNCTION
L6008/L4008
AQUASTAT
®
CONTROLLER
Visible control point scale and external adjustment screw permit
easy setting
Horizontal or vertical mounting of the remote element into boiler,
tank or other container
Fast-responding remote temperature sensor
SPDT or SPST switching action
MULTI-FUNCTION
L7224
UNIVERSAL OIL ELECTRONIC AQUASTAT
®
Diagnostic updates through easy-to-read LED displays
+/- 2˚ F accuracy
Adjustable high- and low-limit differential
Outdoor reset functionality available with W8735S1000 and W8735Y1000
Provides multi-zone control
Thermowell horizontal or vertical and ush mounting
EnviraCOM™ communications-enabled
Compatible with W8735S3000 Alarm Module