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 eciency — 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 conguration capability
• Universal versions reduce inventory and assure truck availability
• Electronic versions include communications as a standard feature, allowing add-on eciency,
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