Heiss Water Heaters

HEISS

Water Heaters

Heiss water heaters are a great option for anyone looking for reliable and efficient hot water solutions. The glass-lined enamel tank and magnesium anode rods help to protect against corrosion and prolong the lifespan of the tank.

In addition to being efficient and low-emission, Heiss electric water heaters have an automatic adjustable thermostat that helps save energy by switching off the heater when the desired temperature has been reached or when there is no water consumption.

The safety features of Heiss water heaters comply with IEC 60335 test standards, ensuring that users can enjoy their hot water without worrying about safety issues. Heiss water heaters are also designed to prevent limestone buildup and heavy metal contamination, further adding to their reliability and safety.

German

Trademark

Registration# 302023103996.9

Central series

Central hot water for your home.

Choose a larger-capacity Central heater for connected hot-water outlets. Available in 120, 150 and 160 liters.

Heiss central water heater shown in an indoor installation concept — Indoor comfort
A clean, integrated look for the home.

Heiss central water heater shown in an outdoor installation concept — Outdoor possibilities
See the heater in a sheltered outdoor setting.

Illustrative installation concepts. Final placement should follow the manufacturer’s installation instructions.

Explore Heiss in the shop →

Central series

Three sizes. One Central range.

Choose from 120, 150 or 160 liters to suit your home’s hot-water needs.

The models and packaging dimensions below belong to the Central series. The compact Horizontal series follows in its own section.

Small Model

Model #SEWH-150-3K

Capacity 32 US Gallons =
120 liters
Power input 3 KW

MEDIUM Model

Model #SEWH-180-3K

Capacity 40 US Gallons =
150 liters
Power input 3 KW

LARGE Model

Model #SEWH-200-3K

Capacity 42 US Gallons =
160 liters
Power input 3 KW

Central Series · Dimensions

Packaging Dimensions, mm

Central series dimension drawing

Compare the packaging measurements using A, B and C in the diagrams.

A mm	B mm	C mm
1135	480	455
1355	480	455
1480	480	455

All measurements shown are packaging dimensions, in millimetres.

View technical brochure

Central series packaging dimensions diagram

Our second range

Point-of-use series

Horizontal Series

A separate, compact 50-liter point-of-use range for hot water close to a sink or individual outlet.

Heiss Horizontal 50-liter electric water heater

Model & dimensions

Model	HEWH-50-1.2K
Capacity	50 liters
Heating power	1.2 kW
Length × width × height	45 × 47.5 × 53 cm

Measurements follow the catalog’s dimension labels.

Heiss Horizontal shown in an accessible ceiling service-space concept — Ceiling service space

Heiss Horizontal shown in an under-sink installation concept — Under-sink setting

Illustrative installation concepts. Allow suitable mounting and access for servicing.

Shop Horizontal →Download brochure

Warranty

“The Heiss home boilers are straightforward to maintain and service, and are manufactured in a plant that holds an ISO certification. Additionally, they hold a pending German trademark and come with a limited warranty of 2 years.”

Sustainability

Heiss Home Boilers are incredibly efficient, producing lower emissions and eliminating the need for oil or gas. Heiss electric water heaters have an automatic adjustable thermostat that helps save energy by switching off the heater when the desired temperature has een reached or when there is no water consumption. With Heiss water heaters, you can enjoy reliable, efficient hot water while doing your part for the environment.