Name: Instant-Flow® SR Point-of-Use Non-Thermostatic Tankless Water Heater
Brand: Chronomite, Inc.
SKU: SR Series

Model SR Series

Instant-Flow® SR Point-of-Use Non-Thermostatic Tankless Water Heater

Ideal Applications

Kitchen sinks
Bar sinks
Utility sinks
Hand set showers
Manual hand washing faucets

Features and Benefits

0.35 gallon (1.3 liter) per minute low activation
0.65 gallon (2.5 liter) per minute standard activation
Unlimited hot water
Low installation cost
Easy to install
Compact size: 6-1/4 height x 9-5/8 x 2-3/4” (159 x 244 x 70 mm)
Meets ADA requirements
Made in America

Chronomite Instant-Flow® SR Electric Tankless Water Heaters are designed to provide reliable instant hot water when installed at the point of use. For optimal performance, install within 18 inches of the point-of-use.

This instant water heater is perfect for lavatories and sinks. It is ideal for two-handle and single-handle faucets and is the perfect under-the-sink water heater.

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

Downloads

Resource Type	Title	Description	File Size
Installation Instructions	Manual Low Activation Instant Flow SR Heater (pdf)	Instant Flow SR - Low Activation Models [SR-15L/120, SR-15L/277, SR-20L/120, SR-20L/208, SR-20L/240, SR-20L/277, SR-30L/120]	758 KB
Submittals	Submittal Low Activation, Instant-Flow® SR Water Heater	Low Activation, Instant Flow SR Heater including SR-15L/120, SR-15L/277, SR-20L/120, SR-20L/208, SR-20L/240, SR-20L/277, SR-30L/120	1 MB
Submittals	Submittal Standard Activation, Instant-Flow® SR Water Heater	Standard Activation, Instant Flow SR Heater including SR-30/208, SR-30/240, SR-30/277, SR-40/208, SR-40/240	1 MB
Installation Instructions	Manual Standard Activation Instant Flow SR Heater (pdf)	Instant Flow SR - Standard Activation Models [SR-30/208, SR-30/240, SR-30/277, SR-40/208, SR-40/240]	761 KB
Brochures/Flyers	Chronomite Modular Pod Flyer	Why Chronomite Laboratories Is a Perfect Match for Modular Buildings	2 MB
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
Cross References	Chronomite Kwik Ship® Visual Competitive Cross Ref - Tankless Water Heater (pdf)	Chronomite Kwik-Ship® Tankless Water Heater vs EEMAX, Stielbel Eltron [SR, CM, CMI, CMT, 2095-1] Lit # L1001781 7/2026	269 KB
BIM/CAD/Revit	Instant Flow SR (rfa)	Point-of-Use Non-Thermostatic Tankless Water Heater (SR Series)	312 KB

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Specifications

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

Dimensions	6-1/4"H x 9-5/8" x 2-3/4”, 17-5/8" x 17-5/8" x 5-1/4"
Kilowatt Output	1.44 to 9.60
Activation Flow Rate	0.65 GPM, 0.35 GPM

Options

Accessories

	Image	Model	Description	Downloads
		-TP	Accessory: Pressure & Temp Relief Valve Assembly
		2095-1	Accessory: Disconnect Switch for SR, CM, CMI, M, M-MM, E Series Water Heaters

Miscellaneous

	Image	Model	Description	Downloads
		-NPT08	Option: 1/2" Male NPT
		-NPT12	Option: High Flow 3/4" Male NPT
		-P	Option: PA 765 ABS Plastic Housing
		-SS	Option: Satin Finish Stainless Steel Housing
		-SSP	Option: High Polish Finish Stainless Steel Housing

Models

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

Model	Volts	KW	Amps/Ø	90°C Wire	Temp Rise at 0.35 GPM	Temp Rise at 0.50 GPM	Temp Rise at 1.00 GPM	Temp Rise at 1.50 GPM
SR-15L/120	120	1.80	15	14 AWG	35°F	25°F	---	---
SR-20L/120	120	2.40	20	12 AWG	47°F	33°F	---	---
SR-30L/120	120	3.60	30	10 AWG	70°F	49°F	25°F	---
SR-20L/208	208	4.16	20	12 AWG	81°F	57°F	28°F	---
SR-20L/240	240	4.80	20	12 AWG	90°F +	66°F	33°F	22°F
SR-15L/277	277	4.15	15	14 AWG	81°F	57°F	28°F	---
SR-20L/277	277	5.54	20	12 AWG	90°F +	76°F	38°F	25°F

All heaters are single phase powered. Metric Low Activation Flow Rate: 1.3 Liters per Minute

Model	Volts	KW	Amps/Ø	90°C Wire	Temp Rise at 1.3 LPM	Temp Rise at 1.9 LPM	Temp Rise at 3.8 LPM	Temp Rise at 5.7 LPM
SR-15L/120	120	1.80	15	14 AWG	20°C	14°C	---	---
SR-20L/120	120	2.40	20	12 AWG	26°C	18°C	---	---
SR-30L/120	120	3.60	30	10 AWG	39°C	27°C	14°C	---
SR-20L/208	208	4.16	20	12 AWG	45°C	32°C	16°C	---
SR-20L/240	240	4.80	20	12 AWG	50°C+	36°C	18°C	12°C
SR-15L/277	277	4.15	15	14 AWG	45°C	31°C	16°C	10°C
SR-20L/277	277	5.54	20	12 AWG	50°C+	42°C	21°C	14°C

All heaters are single phase powered. | Standard Activation Flow Rate: 0.65 Gallon per Minute

Model	Volts	KW	Amps/Ø	90°C Wire	Temp Rise at 0.65 GPM	Temp Rise at 1.00 GPM	Temp Rise at 1.50 GPM	Temp Rise at 2.00 GPM
SR-30/208	208	6.24	30	10 AWG	66°F	43°F	28°F	21°F
SR-40/208	208	8.32	40	8 AWG	87°F	57°F	38°F	28°F
SR-30/240	240	7.20	30	10 AWG	76°F	49°F	33°F	25°F
SR-40/240	240	9.60	40	8 AWG	90°F +	66°F	44°F	33°F
SR-30/277	277	8.31	30	10 AWG	87°F	57°F	38°F	28°F

All heaters are single phase powered. | Metric Standard Activation Flow Rate: 2.5 Liters per Minute

Model	Volts	KW	Amps/Ø	90°C Wire	Temp Rise at 2.5 LPM	Temp Rise at 3.8 LPM	Temp Rise at 5.7 LPM	Temp Rise at 7.6 LPM
SR-30/208	208	6.24	30	10 AWG	36°C	24°C	16°C	12°C
SR-40/208	208	8.32	40	8 AWG	49°C	32°C	21°C	16°C
SR-30/240	240	7.20	30	10 AWG	42°C	27°C	18°C	14°C
SR-40/240	240	9.60	40	8 AWG	50°C+	36°C	24°C	18°C
SR-30/277	277	8.31	30	10 AWG	49°C	32°C	21°C	16°C