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Honeywell Aquastdat L4080A-B  at InspectApedia.comHoneywell / Resideo Controls, Thermostats, Valves, Manuals

for HVAC Equipment, thermostats, primary controls, zone valves
Free PDF downloads of instruction manuals

This index provides links to free PDF downloads of manuals for various Honeywell Controls, now Resideo Technologies, Inc., Thermostats, Valves - Manuals for HVAC Equipment, thermostats, primary controls, zone valves

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Honeywell / Resideo Controls on HVAC Equipment, thermostats, primary controls, zone valves

Honeywell Aquastdat L4080A-B  at InspectApedia.com

Contact: Resideo Technologies, Inc., 1985 Douglas Drive North, Golden Valley, MN 55422 USA Tel: 1-800-468-1502
corporate address nor telephone number.

Resideo Help & Support for Thermostats, security, air quality, water leak detection, apps: https://www.resideo.com/us/en/support/

Resideo help for thermostat wiring: https://www.resideo.com/us/en/thermostat-wiring-compatibility/

WiFi and Connected Homes: 1-800-633-3991

Non-Connected Products: 1-800-222-6525

That data is, however, easily found in the company's current Resideo, nee Honeywell, control manuals and instruction pamphlets and catalogs.

Note: In 2018 Honeywell announced that Resideo would be the corporate name of the Honeywell Homes product portfolio and ADI global distribution businesses when they became a stand-alone, publicly traded company following completion of a spin that was expected by the end of 2018.

Illustrations: Honeywell L4080B,D and L8080A Aquastat limit control - for which we provide links to IO manuals below.

[Click to enlarge any image]

Old name: Honeywell Consumer Products, 39 Old Ridgebury Road Danbury, CT 06810-5110 - (203) 830-7800

Old World Headquarters, Honeywell International Inc., 101 Columbia Road, Morristown, NJ 07962, Phone: (973) 455-2000, Fax: (973) 455-4807 1-800-328-5111

Honeywell product model numbers & instruction Manuals: see the list below and also see Honeywell's web page: yourhome.honeywell.com/home/Applications/FindYourModelNumber.aspx

Find the Right Manual for Your Honeywell Control: use your browser's built-in search feature such as CTRL-F to search for a keyword (eg. aquastat) or to search for a key model number (eg. CT3200) to find the manual for your Honeywell device on this page.

The Honeywell control free PDF downloads given on this page are listed alphabetically by control name or number. We include at least one photo or image of each control to help you identify these HVAC controls, but

Watch out: there are so many Resideo/Honeywell HVAC controls that it's easy to mix up control names or numbers, so double-check the data tag on your control or check the control part number described in the installation manual for your equipment.

Below we list Honeywell controls and manuals and articles alphabetically by the control type or actual control name or number.

Honeywell ADMECO Security System Controls

Honeywell Thermostat Heat Anticipators

Heat anticipator component of a room thermostat

Honeywell "A" Controls

Honeywell Control Cross Reference

Honeywell CT-Series Controls

Honeywell C30 - CT33 Manual At Inspectapedia.com

Honeywell DT-Series Thermostats

Honeywell Gas Control Valves

Honeywell Gas Control Valve includding UG50-62 & GG50-62 Manual at InspectApedia.com

Honeywell Heater Control Selection

Honeywell HP-Series Zone Controls

Honeywell Zone Controller Manual at InspectApedia.com

Honeywell Single Limit & Strap On Controls

Honeywell L4006-series High Limit Aquastat cited & discussed at InspectApedia.com

Honeywell L4006-4008-4026 Series Controls

Honeywell L4008A Limit Control at InspectApedia.com

Honeywell L4029 Series Limit Controls

Honeywell L4029 Series Limit Control manual at InspectApedia.com

Honeywell L4031 Series Pool Heater Aquastat Controls

Honeywell L40331A Pool Aquastat Control Manual at InspectApedia.com

Honeywell L4046 Series Fan Limit Controls

Honeywell typical fan limit wiring showing black, white & red wire connections (C) InspectApedia.com Dgone

Honeywell L4064 Series Fan Limit Controls

Honeywell L4080 Series Aquastat Controls

Honeywell Aquastdat L4080A-B  at InspectApedia.com

Honeywell L4188, L6188 L4191 L6191 Dual Aquastat Series Controls

Honeywell L4188 L6188 L4191 L6191 Aquastat Control Manual at InspectApedia.com

Honeywell L4103 Series High Limit Controls

Honeywell 4103 Limit Control Manuals at InspectApedia.com

Honeywell L6006 Series Controls

Honeywell L6006A Aquastat limit control Manual at InspectApedia  (C) InspectApedia.com

Honeywell L6064 Series Fan Limit Controls

Honeywell Resideo L4064 Fan Limit Control Manuals at InspectApedia.com

Honeywell L7148 Series Aquastat Controls

Honeywell Resideo L7148 Boiler Aquastat Control Manuals at InspectApedia.com

Honeywell L7224U Series quastat Controls

Honeywell L7224U1002 Universal Aquastat Manuals & instructions at Inspectapedia.com

Honeywell L8124 Series Aquastat Controls

Honeywell L8124 Aquastat internal view at InspectApedia.com

Honeywell L8148 Series Aquastat Controls

Honeywell Outdoor Reset Controls

Honeywell R4194 & R8184 Series Oil Burner Controls

Honeywell R8184 Manual at InspectApedia.com

Honeywell R7184 Series Aquastat Controls

Honeywell L7184 Primary Control - Electronic Aquastat Manual at InspectApedia.com

Honeywell R7284 Series Primary Controls

Resideo (Honeywell) R7284 electronic primary control (oil or gas) cited & discussed at InspectApedia.com

Honeywell R7795 Series Primary Controls

Honeywell R7795 Flameguard Primary Control manual at InspectApedia.com

Above: A Honeywell R7795 Flameguard Primary Control as shown for sale at eBay in 2025.

Honeywell R8182 Series Aquastat / Primary Controls

Honeywell R8182D internal (C) Honeywell

Honeywell R8184 Series Aquastat Controls

Honeywell L8148G Wiring Diagram at InspectApedia.com

Illustration: wiring diagram provided inside the cover of a Honeywell L8148G Aquastat Relay.

Honeywell R8285 Series Controls

Honeywell R8285 & 8222B Transformer Relay Control Manual at InspectApedia.com

Honeywell R845 Series Relay Zone Controls

Honeywell R845A Relay for zone control Manual - cited and linked to instructions at InspectApedia.com

Honeywell RA116-RA117-RA817 Switching Relay Controls

HONEYWELL Tradeline RA 116A-RA117A-RA817A Relay Manual at InspectApedia.com

Honeywell RA890 Series Primary Controls

Honeywell RAA890 Safeguard Primary Control Manual at InspectApedia.com

Honeywell S8610U Series Gas Controls

Honeywell Resideo S8610u Continuous Retry Gas Pilot Control Manual at InspectApedia.com

Honeywell SZ Series Zone Valve Controls

Honeywell Thermostat Manuals

Honeywell V-Series Zone Valves

Honeywell V8043D series zone valve

Honeywell Y8150 Series Ventilation Controls

Honeywell Y8150A1017 Fresh Air Ventilation System with TrueZONE damper Control Manual at InspectApedia.com

Shown above, the Honeywell Y8150A1017 Fresh Air Ventilation System with TrueZONE damper

 

Continue reading at HVAC MANUALS, PARTS LISTS, WIRING DIAGRAMS, or see the complete ARTICLE INDEX.

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Citations & References

In addition to any citations in the article above, a full list is available on request.

  • Domestic Central Heating Wiring Systems and Controls, 2d Ed., Raymond Ward, Newnes, ISBN-10: 0750664363, ISBN-13: 978-0750664363, Quoting from Amazon.com:

    This unique A-Z guide to central heating wiring systems provides a comprehensive reference manual for hundreds of items of heating and control equipment, making it an indispensable handbook for electricians and installers across the country.
  • In addition to citations & references found in this article, see the research citations given at the end of the related articles found at our suggested

    CONTINUE READING or RECOMMENDED ARTICLES.


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  • In addition to citations & references found in this article, see the research citations given at the end of the related articles found at our suggested

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