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VULCAN HTTR015U Spa & Hot Tub Heater, 1.5kW, 120V AC, 1-Phase, 1-1/4 in NPT - Spa & Hot Tub Heaters
VULCANSpa & Hot Tub Heaters

VULCAN HTTR015U Spa & Hot Tub Heater, 1.5kW, 120V AC, 1-Phase, 1-1/4 in NPT

The VULCAN Spa and Hot Tub Heater (SKU HTTR015U, MPN HTTR015U) is a 1.5kW, 120V AC, 1-phase electric heater designed for spa and hot tub applications. It features a 1-1/4 in NPT inlet/bushing size, a minimum flow…

SKU 3G-OTH-64311

Brand
VULCAN
Item
HTTR015U Spa & Hot Tub Heater, 1.5kW, 120V AC, 1-Phase, 1-1/4 in NPT
Category
Spa & Hot Tub Heaters
Available to Order
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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

VULCAN
Manufacturer Part Number
HTTR015U
Type
1-phase, 5 gpm
AC
120V
Min. Flow Rate
5 gpm
Voltage, Phase
120V AC, 1-phase
Wattage Output
1.5kW
Thermostat Included
Unit-Mounted
Inlet Size/Bushing Size
1-1/4 in NPT
NPT Inlet Size/Bushing Size
1-1/4 in

Technical Documents

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

Product Description

The VULCAN Spa and Hot Tub Heater (SKU HTTR015U, MPN HTTR015U) is a 1.5kW, 120V AC, 1-phase electric heater designed for spa and hot tub applications. It features a 1-1/4 in NPT inlet/bushing size, a minimum flow rate of 5 gpm, and includes a unit-mounted thermostat.

Frequently Asked Questions

What is the VULCAN HTTR015U spa heater used for?

The VULCAN HTTR015U is an electric heater designed for spa and hot tub applications. It maintains water temperature using a 1.5kW, 120V AC, 1-phase element with a unit-mounted thermostat, requiring a minimum flow rate of 5 gpm.

What are the specifications of the VULCAN HTTR015U heater?

The VULCAN HTTR015U heater delivers 1.5kW at 120V AC, 1-phase. It has a 1-1/4 in NPT inlet/bushing size, a minimum flow rate of 5 gpm, and includes a unit-mounted thermostat. The manufacturer part number is HTTR015U.

Where to buy a VULCAN HTTR015U spa heater worldwide?

3G Electric supplies the VULCAN HTTR015U spa heater to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 1.5kW, 120V AC, 1-phase heater.

How to install a VULCAN HTTR015U spa heater?

Install the VULCAN HTTR015U heater in the spa circulation line, ensuring flow direction matches the arrow on the housing. Verify the supply is 120V AC, 1-phase, and that flow rate meets the 5 gpm minimum. The unit-mounted thermostat controls temperature.

Used in

Common applications for VULCAN
Industrial ovens — VULCAN rigid strip heaters (e.g., OS1423-1500B) for uniform heat distribution in drying and curing ovens.
Plastic processing — VULCAN swaged cartridge heaters (e.g., TB6025B) for injection molding and extrusion barrel heating.
Fluid heating — VULCAN screw-plug immersion heaters (e.g., AUO250B) for heating water, oils, or chemicals in tanks.
Packaging machinery — VULCAN finned strip heaters (e.g., OSF1517-1000B) for heat sealing and shrink wrapping equipment.
Process temperature control — VULCAN Cal-Stat thermostats (e.g., 1E1C9) for regulating temperature in pipelines or vessels.
Air heating — VULCAN finned tubular elements (e.g., RE8-1000B) for forced-air heaters and duct systems.

VULCAN Products

3G Electric supplies VULCAN spa & hot tub 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
Screw-plug immersion heater with 2 in NPT brass plug and copper sheath. Rated 120V AC, 1500W, 48 W/sq in watt density, with control range 60° to 250°F. Used for direct immersion heating of water, oils, and mild chemical solutions in tanks, vats, and process vessels
VULCAN
Screw-plug immersion heater with 2 in NPT brass plug and copper sheath. Rated 120V AC, 1500W, 48 W/sq in watt density, with control range 60° to 250°F. Used for direct immersion heating of water, oils, and mild chemical solutions in tanks, vats, and process vessels
Through-hole immersion heater with copper sheath for direct liquid heating in tanks or vessels. Operates at 120V AC, 34 W, with a watt density of 7.5 W/sq in. Overall length 7 1/2 in. Suitable for moderate-temperature water-based solutions
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Through-hole immersion heater with copper sheath for direct liquid heating in tanks or vessels. Operates at 120V AC, 34 W, with a watt density of 7.5 W/sq in. Overall length 7 1/2 in. Suitable for moderate-temperature water-based solutions
Through-hole immersion heater for heating liquids in tanks or vessels. Operates on 240V AC single-phase, 44 W, with a watt density of 12.5 W/sq in. Copper sheath construction suitable for water and non-corrosive fluids
VULCAN
Through-hole immersion heater for heating liquids in tanks or vessels. Operates on 240V AC single-phase, 44 W, with a watt density of 12.5 W/sq in. Copper sheath construction suitable for water and non-corrosive fluids
Screw-plug immersion heater with 1 in NPT connection, 120V AC, 1500W, and 41 W/sq in watt density. Copper sheath and brass screw plug. Adjustable control range 110° to 190°F. For heating liquids in tanks or vessels
VULCAN
Screw-plug immersion heater with 1 in NPT connection, 120V AC, 1500W, and 41 W/sq in watt density. Copper sheath and brass screw plug. Adjustable control range 110° to 190°F. For heating liquids in tanks or vessels
Swaged cartridge heater rated for 120V with a watt density of 115 W/sq in. Overall length is 1-1/4 in with 10 in lead wires. Used for heating molds, dies, platens, and other industrial process equipment requiring compact, high-watt-density heat sources
VULCAN
Swaged cartridge heater rated for 120V with a watt density of 115 W/sq in. Overall length is 1-1/4 in with 10 in lead wires. Used for heating molds, dies, platens, and other industrial process equipment requiring compact, high-watt-density heat sources
Screw-plug immersion heater with brass plug and copper sheath for direct liquid heating. Rated 120V AC, 1500W, 84 W/sq in watt density, with 1-1/4" NPT connection and adjustable control range 60° to 250°F. Suitable for heating water, oils, and mild solutions in tanks and process vessels
VULCAN
Screw-plug immersion heater with brass plug and copper sheath for direct liquid heating. Rated 120V AC, 1500W, 84 W/sq in watt density, with 1-1/4" NPT connection and adjustable control range 60° to 250°F. Suitable for heating water, oils, and mild solutions in tanks and process vessels

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Electric immersion heater for spa and hot tub water heating. Delivers 6kW output at 240V AC, 1-phase. Requires minimum 15 gpm flow rate. Features unit-mounted thermostat and 1-1/4 in NPT inlet connection
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Electric immersion heater for spa and hot tub water heating. Delivers 6kW output at 240V AC, 1-phase. Requires minimum 15 gpm flow rate. Features unit-mounted thermostat and 1-1/4 in NPT inlet connection
Electric heater for spa and hot tub water heating. Provides 1.5kW or 6.0kW output at 120/240V AC, 1-phase. Includes unit-mounted thermostat. Inlet size 1-1/2 in NPT. Requires minimum flow rate of 5/15 gpm
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Electric heater for spa and hot tub water heating. Provides 1.5kW or 6.0kW output at 120/240V AC, 1-phase. Includes unit-mounted thermostat. Inlet size 1-1/2 in NPT. Requires minimum flow rate of 5/15 gpm
Flow-through heater for spas, hot tubs, and small hydrotherapy systems. Dual wattage output of 1.5kW at 120V or 6.0kW at 240V AC, 1-phase. Requires minimum flow rate of 5/15 gpm. Inlet size 1-1/2 in NPT. Thermostat not included
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Flow-through heater for spas, hot tubs, and small hydrotherapy systems. Dual wattage output of 1.5kW at 120V or 6.0kW at 240V AC, 1-phase. Requires minimum flow rate of 5/15 gpm. Inlet size 1-1/2 in NPT. Thermostat not included