Please visit our website at CLEANING AND STORAGE We recommend that the heater be cleaned at least once a month and before off-season storage. • Turn the heater OFF and unplug it. Allow it to cool. • Use a dry cloth only to clean the external surfaces of the heater. DO NOT USE WATER, WAX, POLISH OR ANY CHEMICAL SOLUTION. • Clean your heater using the above-mentioned steps, then pack the heater in its original container and store it in a cool dry place. • This heater does not disassemble. ELECTRIC

4. Always unplug heater when not in use. 5. Do not operate the heater with a damaged cord or plug or after the heater malfunctions, has been dropped or damaged in any manner. Return heater to authorized service facility for examination, electrical or mechanical adjustment, or repair. 6. Do not use outdoors. 7. This heater is not intended for use in bathrooms, laundry areas and similar moist indoor locations. 8. Do not run cord under carpeting. Do not cover cord with throw rugs, runners, or the l

PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. CONTROL CASE MUST BE CONNECTED TO EARTH GROUND. USE GROUNDING SCREW PROVIDED. B1 IS 1/4 IN. TAB TERMINAL. M1794A 1 2 3 Fig. 9. L8124E in a 24 Vac, gas-fired, forced hot water, tankless, zoned pump system. 1 TO ADDITIONAL R845A RELAYS L2 L1 FOR OTHER ZONES (HOT) 1 2 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. CONTROL CASE MUST BE CONNECTED TO EARTH GROUND. USE GROUNDING SCREW PROVIDED. 2 1 4 3 5 6 ZONE 1

TROUBLESHOOTING If your heater shuts off unexpectedly or fails to operate, one of the above-mentioned safety features may have been activated to prevent overheating. • Be sure the power cord is plugged into a working electrical outlet. • Check your Thermostat setting. The unit may simply be off because you have reached your desired heat setting. • Check for any obstructions. If you find an obstruction, turn the heater OFF and unplug it. • Allow the heater to cool completely, then remove the obst

This warranty does not apply to damage resulting from commercial, abusive, unreasonable use or supplemental damage. Defects that are the result of normal wear and tear will not be considered manufacturing defects under this warranty. HONEYWELL IS NOT LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY NATURE. ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ON THIS PRODUCT IS LIMITED IN DURATION TO THE DURATION OF THIS WARRANTY. Some jurisdictions do not allow the ex

See Fig. 1. SENSING ELEMENT IS FACTORY FORMED FOR 1.5 IN. INSULATION WELL ASSEMBLIES. FOR 3 IN. INSULATION WELL ASSEMBLIES, PULL OUT SUFFICIENT CAPILLARY TO ASSURE THAT THE CAPSULE BOTTOMS IN THE WELL. STRAIGHTEN CAPILLARY SUFFICIENTLY SO IT DOES NOT CAUTION: EXCESSIVE HANDLING OR SHARP BENDS CAN DAMAGE THE CAPILLARY. 2 3 1 2 3 1 INTERFERE WITH INSERTION OF THE CAPSULE INTO THE WELL. M8882 Fig. 1. Adjusting the capillary length. Mounting Each relay is suitable for use with an immersion well for

ASSURE THAT CAPILLARY TUBE FITS FREELY IN THE ADAPTER SO THE TENSION OF THE CAPILLARY TUBE AT POINT (C) HOLDS THE SENSING BULB IN GOOD THERMAL CONTACT WITH THE IMMERSION WELL AT POINT (D 1 1 2 2 (D) (B) (A) L8124A,C,E,L AND M AQUASTAT® RELAYS CONTROLLER CASE IMMERSION WELL CLAMP ADAPTER IMMERSION WELL SPUD BOILER OLD IMMERSION WELL ASSEMBLY BACK OF CONTROLLER CASE IMMERSION WELL CLAMP SCREW ADAPTER SENSING BULB HEAT-CONDUCTIVE COMPOUND SETSCREW CAPILLARY TUBE ) IMMERSION WELL CLAMP IMMERSION SHO

16. Use this heater only as described in this manual. Any other use not recommended by the manufacturer may cause fire, electric shock, or injury to persons. 17. Avoid the use of an extension cord because the extension cord may overheat and cause a risk of fire. However, if you have to use an extension cord, the cord shall be No. 14 AWG minimum size and rated not less than 1875 watts. 18. The output of this heater may vary and its temperature may become intense enough to burn exposed skin. Use o

under license from Honeywell Intellectual Properties, Inc. IMPORTANT SAFETY INSTRUCTIONS When using electrical appliances, basic precautionsshould always be followed to reduce the risk of fire, electric shock, and injury to persons, including thefollowing: 1. Read all instructions before using this heater. 2. This heater is hot when in use. To avoid burns, do not let bare skin touch hot surface. If provided, use handles when moving this heater. Keep combustible materials, such as furniture, pill