Name: TWINS™ Single Phase, Large Capacity Electric Tankless Water Heater
Brand: Chronomite, Inc.
SKU: ER-TWINS Series

Model ER-TWINS Series

TWINS™ Single Phase, Large Capacity Electric Tankless Water Heater

Ideal Applications

Showers
Whole home
Mop sink
Hospitality sinks
Emergency eye-face wash

Optional Nema4 and Nema 4X cabinets available for outdoor applications.

Features and Benefits

0.35 gallon (1.32 liter) per minute low activation
0.80 gallon (2.46 liter) per minute standard activation
1.80 gallon (6.81 liter) per minute high activation
Unlimited hot water
99% energy efficient
Maintains consistent water temperature with digital microprocessor technology
Meets ADA, UL, UPC, IAPMO
Field adjustable temperature 70° to 125°F (21.1° to 51.7°C)
Optional factory preset temperature 70° to 160°F (21.1° to 71.1°C)
Meets ANSE 358.1 for tepid water
Made in America

CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Learn More about this warning

Downloads

Resource Type	Title	Description	File Size
Product MasterSpec	MasterSpec: 223300, Electric Domestic-Water Heaters (doc)	Chronomite - Commercial, electric, domestic-water booster heaters, Commercial, electric, storage, domestic-water heaters, Commercial, electric, small-capacity storage, domestic-water heaters, Commercial, light-duty, storage, electric, domestic	146 KB
Installation Instructions	Manual 208-240 Volts Single Phase High Capacity Heater - English (pdf)	Installation/Operation Instructions for Single Phase High Capacity 208 thru 240 volt models	594 KB
Submittals	Submittal Twins™ High Capacity Heater - Low Activation, 60 to 80 Amp	High Capacity, Low Activation - 60 to 80 AMP	697 KB
Submittals	Submittal Twins™ High Capacity Heater - Standard Activation, 60 to 80 Amp	High Capacity Standard - 60 to 80 AMP	691 KB
Submittals	Submittal Twins™ High Capacity Heater, High Activation - 60 to 80 Amp	High Capacity, High Activation - 60 to 80 AMP	676 KB
Submittals	Option Info Sheet NEMA 4/NEMA 4X for Single Phase ER Series Heater (pdf)	Chronomite Twins & Triplets One-Phase Large Capacity Tankless Heaters - NEMA 4 Enclosure	686 KB
Installation Instructions	Manual 277 Volts Single Phase High Capacity (pdf) Heater (pdf)	Installation/Operation Instructions for Single Phase High Capacity 277 volt models [Two Module Heaters ER-60x/277_16600, ER-80x/277_22200; Three Module Heaters ER-90x/277_24900, ER-120x/277_33300]	472 KB
Product MasterSpec	MasterSpec: 223300, Electric Domestic-Water Heaters (pdf)	Chronomite - Commercial, electric, domestic-water booster heaters, Commercial, electric, storage, domestic-water heaters, Commercial, electric, small-capacity storage, domestic-water heaters, Commercial, light-duty, storage, electric, domestic	184 KB
Brochures/Flyers	What makes Chronomite Great Brochure (pdf)	What makes Chronomite Great Brochure (pdf)	8 MB
Brochures/Flyers	Chronomite General Brochure (pdf)	Chronomite General Brochure (pdf)	5 MB
BIM/CAD/Revit	ER Series Water Heater (rfa)	ER Series Twins and Triplets (RFA may be used for all heaters including Single and Three Phase units)	288 KB
BIM/CAD/Revit	ER Series Water Heater (dwg/zip)	ER Series Twins and Triplets (dwg may be used for all heaters including Single and Three Phase units)	103 KB
BIM/CAD/Revit	ER Single Phase Heater (rfa)	TWINS™ Single Phase, Large Capacity Electric Tankless Water Heater	288 KB

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Specifications

Shows specifications for standard configuration. Configuration options may change specifications.

Compliances	ADA, ANSI Z358.1, CALGreen, Conformité Européenne, CSA, ETL Listed, Federal Public Law 111-380 (No Lead), UL Listed, UPC
Activation Flow Rate	0.35 GPM, 0.80 GPM, 1.80 GPM
Product Features	2 Circuits
Kilowatt Output	12.50 to 22.20
Dimensions	15-1/4"H x 17-1/2" x 6-1/4"

Options

Accessories

	Image	Model	Description	Downloads
		-Z	Accessory: Siren and Beacon
		2095-2	Accessory: Disconnect Switch for ER-TWINS Series Water Heater

Miscellaneous

	Image	Model	Description	Downloads
		-B	Option: Freeze Protection -35°F
		-DI	Option: De-Ionized
		-DR	Option: Digital Readout
		-F	Option: Factory Preset
		-K	Option: Explosion Proof
		-L	Option: Legs
		-N4	Option: NEMA 4 Grey Finish Housing
		-N4X	Option: NEMA 4 Stainless Steel Finish Housing
		-SS	Option: Satin Finish Stainless Steel Housing
		-X6	Option: NEMA 316 Stainless Steel Housing
		-Y	Option: Y-Strainer

Models

Chart set shown below is for 0.35 Gallon (1.32 Liters) per Minute Low Activation. Please see separate submittals for 0.80 Gallon (3.03 Liters) per Minute Standard Activation or 1.8 Gallons (6.81 liters) per Minute High Activation

All heaters are single phase powered with two circuits. | Low Activation Flow Rate: 0.35 Gallon per Minute

Model	Volts	KW	Amps/Ø	75°C Wire	Temp Rise at 1.0 GPM	Temp Rise at 2.0 GPM	Temp Rise at 3.0 GPM	Temp Rise at 4.0 GPM
ER-60L/208_12500	208	12.50	60 (2x30)	10 AWG	85°F	43°F	28°F	21°F
ER-80L/208_16600	208	16.60	80 (2x40)	8 AWG	90°F+	57°F	38°F	28°F
ER-60L/240_14400	240	14.40	60 (2x30)	10 AWG	90°F+	49°F	33°F	25°F
ER-80L/240_19200	240	19.20	80 (2x40)	8 AWG	90°F+	66°F	44°F	33°F
ER-60L/277_16600	277	16.60	60 (2x30)	10 AWG	90°F +	57°F	38°F	28°F
ER-80L/277_22200	277	22.20	80 (2x40)	8 AWG	90°F+	76°F	51°F	38°F

All heaters are single phase powered with two circuits. | Metric Low Activation Flow Rate: 1.32 Liters per Minute

Model	Volts	KW	Amps/Ø	75°C Wire	Temp Rise at 3.8 LPM	Temp Rise at 7.6 LPM	Temp Rise at 11.4 LPM	Temp Rise at 15.1 LPM
ER-60L/208_12500	208	12.5	60 (2x30)	10 AWG	47°C	24°C	16°C	12°C
ER-80L/208_16600	208	16.6	80 (2x40)	8 AWG	50°C+	31°C	21°C	16°C
ER-60L/240_14400	240	14.40	60 (2x30)	10 AWG	50°C+	27°C +	18°C	14°C
ER-80L/240_19200	240	19.20	80 (2x40)	8 AWG	50°C +	36°C +	24°C	18°C
ER-60L/277_16600	277	16.60	60 (2x30)	10 AWG	50°C +	31°C	21°C	16°C
ER-80L/277_22200	277	22.20	80 (2x40)	8 AWG	50°C +	42°C	28°C	21°C