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RHEEM ELD66-D /637037 Light-Duty Residential Electric Water Heater - Light-Duty Residential Electric Water Heaters
RHEEMLight-Duty Residential Electric Water Heaters

RHEEM ELD66-D /637037 Light-Duty Residential Electric Water Heater

The RHEEM Electric Water Heater (SKU 3G-OTH-448819) is a light-duty residential electric water heater operating on 277V AC with a 65-gallon capacity and 12,100 W power rating. This single-phase unit, model ELD66-D…

SKU 3G-OTH-448819

Also listed as: ELD66D637037 · ELD66 D 637037 · ELD66-D-637037

Brand
RHEEM
Item
ELD66-D /637037 Light-Duty Residential Electric Water Heater
Category
Light-Duty Residential Electric Water Heaters
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

RHEEM
Manufacturer Part Number
ELD66-D /637037
Type
65 gal, 12,100 W, Single Phase, 122 gph @ 40°F
Ht
58.8 in
Phase
Single
Maximum Recovery Flow Rate
122 gph @ 40°F

Technical Documents

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RHEEM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RHEEM Electric Water Heater (SKU 3G-OTH-448819) is a light-duty residential electric water heater operating on 277V AC with a 65-gallon capacity and 12,100 W power rating. This single-phase unit, model ELD66-D /637037, features a maximum recovery flow rate of 122 gph @ 40°F and stands 58.8 inches in height.

Frequently Asked Questions

What is the RHEEM ELD66-D electric water heater used for?

The RHEEM ELD66-D electric water heater is designed for light-duty residential hot water supply. It provides 65 gallons of storage with a 12,100 W heating element, suitable for homes or small commercial spaces requiring consistent hot water at 277V AC single-phase power.

What are the specifications of the RHEEM 65-gallon electric water heater?

The RHEEM ELD66-D /637037 operates on 277V AC, single-phase, with 12,100 W power. It has a 65-gallon capacity, 58.8-inch height, and a maximum recovery flow rate of 122 gph at 40°F. This light-duty residential unit is manufactured by RHEEM.

Where to buy the RHEEM ELD66-D water heater worldwide?

3G Electric supplies the RHEEM ELD66-D electric water heater worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install a RHEEM 277V electric water heater?

Installation requires a dedicated 277V AC single-phase circuit with proper overcurrent protection. Mount the 58.8-inch tall unit on a level surface, connect water lines, and ensure the pressure relief valve is installed per local codes. Always follow RHEEM's manual and consult a licensed electrician.

Used in

Common applications for RHEEM
Commercial building hot water supply — Rheem Triton SS GHE100SS-160 condensing gas water heater for high-volume demand
Industrial process water heating — Rheem ST175A 175-gallon storage tank for buffer capacity in boiler systems
Point-of-use hot water in workshops — Rheem EGSP6 6-gallon compact electric water heater for sink or handwash stations
Light commercial facility heating — Rheem PROPH80 T2 RH400-SO heat pump water heater for energy-efficient hot water
Multi-unit residential complexes — Rheem PROPE50 T2 RH CG 50-gallon electric water heater for apartment hot water systems
Restaurant kitchen hot water — Rheem ELDS30-FTB 28-gallon commercial electric water heater for dishwashing and sanitation

RHEEM Products

3G Electric supplies RHEEM light-duty residential electric water heaters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
RHEEM Electric Water Heater: 277V AC, 120 gal, 12,100 W, Single Phase, 62.5 in Ht, 122 gph @ 40°F (MPN ELD120-D /639864)
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RHEEM Electric Water Heater: 277V AC, 120 gal, 12,100 W, Single Phase, 62.5 in Ht, 122 gph @ 40°F (MPN ELD120-D /639864)
RHEEM Electric Water Heater: 208V AC, 65 gal, 12,100 W, Single/Three Phase, 59.4 in Ht (MPN ELD66-FTB 208V)
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RHEEM Electric Water Heater: 208V AC, 65 gal, 12,100 W, Single/Three Phase, 59.4 in Ht (MPN ELD66-FTB 208V)
RHEEM Electric Water Heater: 480V AC, 65 gal, 12,100 W, Single/Three Phase, 59.4 in Ht (MPN ELD66-TB 480V)
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RHEEM Electric Water Heater: 480V AC, 65 gal, 12,100 W, Single/Three Phase, 59.4 in Ht (MPN ELD66-TB 480V)
RHEEM Electric Water Heater: 208V AC, 40 gal, 6,000 W, Single/Three Phase, 48.3 in Ht, 30 gph @ 40°F (MPN ELD40-TB)
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RHEEM Electric Water Heater: 208V AC, 40 gal, 6,000 W, Single/Three Phase, 48.3 in Ht, 30 gph @ 40°F (MPN ELD40-TB)
RHEEM Electric Water Heater: 277V, 80 gal, 12,100 W, Single/Three Phase, 59.6 in Ht (MPN ELD80-TB 277V*)
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RHEEM Electric Water Heater: 277V, 80 gal, 12,100 W, Single/Three Phase, 59.6 in Ht (MPN ELD80-TB 277V*)
The RHEEM ELD52-TB is a light-duty residential electric water heater with a 50-gallon capacity and 9,000 W power rating. It operates on three-phase power and delivers 30 gallons per hour at a 40°F temperature rise. This unit is suited for residential or small commercial applications requiring a consistent hot water supply
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The RHEEM ELD52-TB is a light-duty residential electric water heater with a 50-gallon capacity and 9,000 W power rating. It operates on three-phase power and delivers 30 gallons per hour at a 40°F temperature rise. This unit is suited for residential or small commercial applications requiring a consistent hot water supply

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