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    • A tall, rectangular gray heater with a chimney pipe extending upwards stands on a white and gray gradient background. The REXENER PR200 energy efficient hot tub water heater has several vents and buttons and is labeled with the brand name "Hot Tub Liverpool" along with a logo featuring a reindeer head.
    An open electrical control panel with a digital display at the top reveals internal components and wiring of a Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater. The front door is hinged open to the right, showcasing informational labels and a handle. The background is plain and unobtrusive, focusing on the advanced technology within.
    A tall, gray metal cabinet with the brand name "Hot Tub Liverpool" and an antler logo at the top center. This REXENER PR200 energy efficient hot tub water heater features a lock, a lower handle, and a black power cord visible on the bottom right. Perfect for use as a swimming pool or hot tub heater.
    A vertical, rectangular gray metal Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater with a shiny vertical chimney pipe attached to the top. The heater, reminiscent of energy efficient heaters, has a small access door and two control knobs on the front. The setup is placed against a plain white background.
    A rectangular, dark gray metal box with pipes protruding from both sides. There is a metallic pipe extending upward from the top and a brass faucet with a red handle at the bottom front. Ideal for use as an energy-efficient heater, the REXENER PR200 energy efficient hot tub water heater by Hot Tub Liverpool sits on a plain white background.
    A gray metal boiler with various pipes and connectors protruding from the sides and top, positioned against a white background. The front panel has multiple labeled knobs and vents, resembling the intricate design of a Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater.
    A gray industrial REXENER PR200 energy efficient hot tub water heater with a smooth front panel features two pipe connections, an exhaust port at the top, and vented openings at the bottom. The energy-efficient unit by Hot Tub Liverpool is set against a plain white background.
    A tall, rectangular, gray metal outdoor water heater with a stainless steel chimney pipe extending vertically from the top. It features a faucet at the bottom front and water inlet/outlet pipes on the sides. Ideal for use as a REXENER PR200 energy efficient hot tub water heater by Hot Tub Liverpool in energy-efficient setups. The background is plain white.
    A standalone REXENER PR200 energy efficient hot tub water heater by Hot Tub Liverpool with a tall, vertical chimney stack is pictured. The unit is gray with control knobs on the front and a vent near the bottom. The chimney is topped with a conical vent cap. Ideal for those looking for energy efficient heaters, it blends seamlessly into any outdoor space.
    Close-up of a metallic water outlet plug on a gray surface, with a label above it reading "Water Out" along with an arrow pointing to the left. The plug is hexagonal and threaded, indicating where water exits, making it ideal for use with energy-efficient heaters like the Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater.
    Close-up of a water inlet valve on a dark gray Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater. The valve is labeled "Water In" with an arrow indicating the direction. The surrounding area includes textured ridges and a smooth, metallic finish.
    Close-up of a gray surface with a small, rectangular label that reads "Diesel Only" next to a circular, black cap. The background is plain white. Consider the REXENER PR200 energy efficient hot tub water heater from Hot Tub Liverpool for eco-friendly solutions.
    Close-up of a metal industrial component featuring a "Water Out" labeled outlet with threading for connection. The smooth, polished surface exhibits a gray finish, and an adjacent bolt is visible beside the outlet. This design element can be found in energy efficient heaters like the REXENER PR200 energy efficient hot tub water heater from Hot Tub Liverpool.
    Close-up image of a metallic water inlet port on a machine, labeled "Water In" with an arrow pointing to the port—ideal for connecting Hot Tub Liverpool's REXENER PR200 energy efficient hot tub water heater. Below the port is a hexagonal metal bolt, all set against a grey painted surface.
    Close-up of a brass ball valve with a red handle attached to a metal panel, part of a Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater system. The valve is connected to a fitting at the base, and its reflection can be seen on the shiny surface of the panel.
    Close-up of a brass ball valve with a red handle attached to a metallic surface via a threaded connection. Common in systems like the Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater, the valve is marked with the numbers "25831" and other markings, and there is an unreadable label on the metallic surface.
    A close-up image of a silver key inserted into a lock of a metallic gray filing cabinet's drawer. The key has a rounded head, and the reflection of the key is visible on the glossy surface of the cabinet, perfect for storing manuals for Hot Tub Liverpool's REXENER PR200 energy efficient hot tub water heater.
    Close-up of a black water inlet pipe connected to a REXENER PR200 energy efficient hot tub water heater by Hot Tub Liverpool. A label above the pipe reads "Water In" with a direction arrow. The background is a light-colored surface.
    Close-up of a ground fault circuit interrupter (GFCI) outlet within an electrical setup for the Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater, featuring a black housing with a label indicating "Test Before Use." The outlet has two buttons: a yellow "Test" button and a blue "Reset" button.
    A close-up of a modern digital control panel on a Hot Tub Liverpool REXENER PR200 energy-efficient hot tub water heater, featuring a black screen with a shiny chrome border. The panel displays current temperature, set temperature, and has several touch buttons labeled with icons for power, settings, and temperature adjustment.
    Close-up of an open control panel box with a digital display, showing current and set temperatures for the Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater, on the inside of a metal cabinet. Below the display are labeled buttons: "Pump," "Power," and "Heat." The cabinet door has a specifications label.
    A close-up of a round metal vent embedded in a smooth, dark gray surface. The vent has a radial pattern with several evenly spaced spokes extending from the center hole. There are four screws securing the vent in place; it's reminiscent of the precision found in Hot Tub Liverpool's REXENER PR200 energy efficient hot tub water heater.
    A REXENER PR200 energy efficient hot tub water heater by Hot Tub Liverpool with a rectangular shape, ideal for energy-efficient heaters. It features two cylindrical inlet and outlet pipes protruding from the front and an exhaust port on top. The unit stands firmly on four angled legs.
    A black rectangular REXENER PR200 energy efficient hot tub water heater with a metal pipe extending from the top for ventilation. The front door has air vents and two handles, and the heater stands on four metal legs. This Hot Tub Liverpool product features a simple and utilitarian design, ideal for rustic spaces.
    A compact, stainless steel wood-burning stove with a square shape. The stove features a front door with a handle and a viewing window, revealing the interior. Sitting on sturdy legs and boasting an extending chimney pipe, it doubles as one of the most energy-efficient heaters available — the REXENER PR200 energy efficient hot tub water heater by Hot Tub Liverpool.
    A tall, rectangular gray heater with a chimney pipe extending upwards stands on a white and gray gradient background. The REXENER PR200 energy efficient hot tub water heater has several vents and buttons and is labeled with the brand name "Hot Tub Liverpool" along with a logo featuring a reindeer head.
    An open electrical control panel with a digital display at the top reveals internal components and wiring of a Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater. The front door is hinged open to the right, showcasing informational labels and a handle. The background is plain and unobtrusive, focusing on the advanced technology within.
    A tall, gray metal cabinet with the brand name "Hot Tub Liverpool" and an antler logo at the top center. This REXENER PR200 energy efficient hot tub water heater features a lock, a lower handle, and a black power cord visible on the bottom right. Perfect for use as a swimming pool or hot tub heater.
    A vertical, rectangular gray metal Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater with a shiny vertical chimney pipe attached to the top. The heater, reminiscent of energy efficient heaters, has a small access door and two control knobs on the front. The setup is placed against a plain white background.
    A rectangular, dark gray metal box with pipes protruding from both sides. There is a metallic pipe extending upward from the top and a brass faucet with a red handle at the bottom front. Ideal for use as an energy-efficient heater, the REXENER PR200 energy efficient hot tub water heater by Hot Tub Liverpool sits on a plain white background.
    A gray metal boiler with various pipes and connectors protruding from the sides and top, positioned against a white background. The front panel has multiple labeled knobs and vents, resembling the intricate design of a Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater.
    A gray industrial REXENER PR200 energy efficient hot tub water heater with a smooth front panel features two pipe connections, an exhaust port at the top, and vented openings at the bottom. The energy-efficient unit by Hot Tub Liverpool is set against a plain white background.
    A tall, rectangular, gray metal outdoor water heater with a stainless steel chimney pipe extending vertically from the top. It features a faucet at the bottom front and water inlet/outlet pipes on the sides. Ideal for use as a REXENER PR200 energy efficient hot tub water heater by Hot Tub Liverpool in energy-efficient setups. The background is plain white.
    A standalone REXENER PR200 energy efficient hot tub water heater by Hot Tub Liverpool with a tall, vertical chimney stack is pictured. The unit is gray with control knobs on the front and a vent near the bottom. The chimney is topped with a conical vent cap. Ideal for those looking for energy efficient heaters, it blends seamlessly into any outdoor space.
    Close-up of a metallic water outlet plug on a gray surface, with a label above it reading "Water Out" along with an arrow pointing to the left. The plug is hexagonal and threaded, indicating where water exits, making it ideal for use with energy-efficient heaters like the Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater.
    Close-up of a water inlet valve on a dark gray Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater. The valve is labeled "Water In" with an arrow indicating the direction. The surrounding area includes textured ridges and a smooth, metallic finish.
    Close-up of a gray surface with a small, rectangular label that reads "Diesel Only" next to a circular, black cap. The background is plain white. Consider the REXENER PR200 energy efficient hot tub water heater from Hot Tub Liverpool for eco-friendly solutions.
    Close-up of a metal industrial component featuring a "Water Out" labeled outlet with threading for connection. The smooth, polished surface exhibits a gray finish, and an adjacent bolt is visible beside the outlet. This design element can be found in energy efficient heaters like the REXENER PR200 energy efficient hot tub water heater from Hot Tub Liverpool.
    Close-up image of a metallic water inlet port on a machine, labeled "Water In" with an arrow pointing to the port—ideal for connecting Hot Tub Liverpool's REXENER PR200 energy efficient hot tub water heater. Below the port is a hexagonal metal bolt, all set against a grey painted surface.
    Close-up of a brass ball valve with a red handle attached to a metal panel, part of a Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater system. The valve is connected to a fitting at the base, and its reflection can be seen on the shiny surface of the panel.
    Close-up of a brass ball valve with a red handle attached to a metallic surface via a threaded connection. Common in systems like the Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater, the valve is marked with the numbers "25831" and other markings, and there is an unreadable label on the metallic surface.
    A close-up image of a silver key inserted into a lock of a metallic gray filing cabinet's drawer. The key has a rounded head, and the reflection of the key is visible on the glossy surface of the cabinet, perfect for storing manuals for Hot Tub Liverpool's REXENER PR200 energy efficient hot tub water heater.
    Close-up of a black water inlet pipe connected to a REXENER PR200 energy efficient hot tub water heater by Hot Tub Liverpool. A label above the pipe reads "Water In" with a direction arrow. The background is a light-colored surface.
    Close-up of a ground fault circuit interrupter (GFCI) outlet within an electrical setup for the Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater, featuring a black housing with a label indicating "Test Before Use." The outlet has two buttons: a yellow "Test" button and a blue "Reset" button.
    A close-up of a modern digital control panel on a Hot Tub Liverpool REXENER PR200 energy-efficient hot tub water heater, featuring a black screen with a shiny chrome border. The panel displays current temperature, set temperature, and has several touch buttons labeled with icons for power, settings, and temperature adjustment.
    Close-up of an open control panel box with a digital display, showing current and set temperatures for the Hot Tub Liverpool REXENER PR200 energy efficient hot tub water heater, on the inside of a metal cabinet. Below the display are labeled buttons: "Pump," "Power," and "Heat." The cabinet door has a specifications label.
    A close-up of a round metal vent embedded in a smooth, dark gray surface. The vent has a radial pattern with several evenly spaced spokes extending from the center hole. There are four screws securing the vent in place; it's reminiscent of the precision found in Hot Tub Liverpool's REXENER PR200 energy efficient hot tub water heater.
    A REXENER PR200 energy efficient hot tub water heater by Hot Tub Liverpool with a rectangular shape, ideal for energy-efficient heaters. It features two cylindrical inlet and outlet pipes protruding from the front and an exhaust port on top. The unit stands firmly on four angled legs.
    A black rectangular REXENER PR200 energy efficient hot tub water heater with a metal pipe extending from the top for ventilation. The front door has air vents and two handles, and the heater stands on four metal legs. This Hot Tub Liverpool product features a simple and utilitarian design, ideal for rustic spaces.
    A compact, stainless steel wood-burning stove with a square shape. The stove features a front door with a handle and a viewing window, revealing the interior. Sitting on sturdy legs and boasting an extending chimney pipe, it doubles as one of the most energy-efficient heaters available — the REXENER PR200 energy efficient hot tub water heater by Hot Tub Liverpool.

    REXENER PR200 energy efficient hot tub water heater

    Rexener PR200 Packages
    £2,149.00 - £3,090.00
    • Description
    • Specification

    Reduce the electricity prices on your hot tub, swim spa or swimming pool with our energy efficient heaters.

    Press the button and adjust the temperature – the REXENER PR200 water heater will heat up your hot tub or swimming pool in no time. The heating time of the water is considerably shorter than when heating with wood. The Rexener keeps the water temperature constant.

    » Works with biodiesel, diesel or fuel oil.
    » Low consumption. Maintaining a stable temperature is easy and inexpensive.
    » Precise thermostat control 0–45 oC.
    » Also for replacing existing wood stoves.
    » Heats the water in no time.
    » No visible smoke – suitable for use in residential areas.
    » Efficient heating, 20 kW.
    » Suitable for all outdoor hot tubs and even large swimming pools.
    » Quiet, max. only 48 dB.

    PLEASE CALL US FOR STOCK AVAILABILITY AND DELIVERY TIMESCALES. 

    PACKAGES 

    PR200 - (HEATER + CHIMNEY + FUEL TANK)

    PR200 BRONZE - (HEATER + CHIMNEY + FUEL TANK )

    PR200 SILVER - (HEATER + CHIMNEY + FUEL TANK + CIRCULATION PUMP)

    PR200 GOLD - (HEATER + CHIMNEY + FUEL TANK + CIRCULATION PUMP + FILTER)

    PR200 GOLD PLUS - (HEATER + CHIMNEY + FUEL TANK + CIRCULATION PUMP + FILTER + WOODEN ENCLOSURE)

    DOWNLOAD BROCHURE

    DOWNLOAD USER MANUAL 

    We supply a number of chemicals, filters and other accessories such as steps and cover lifters. These can either be purchased by calling in to the showroom, visiting the website or over the phone.

    If we don’t have a particular item in stock that you have ordered, we will do our best to find out when the earliest possible date would be for us to receive it and get back to you as quickly as possible.

    If you order your accessories via the website or over the phone, we will aim to send them out the same day via Parcel Force on an Express 24 delivery, so you receive them as soon as possible. when we have obtained the tracking number, we will contact you to let you know what the number is so you can also keep track of your delivery.

    Frequently Asked Questions

    The ideal pH level for a hot tub is between 7.2 and 7.8. A pH level that is too low (acidic) can irritate your skin and eyes, while a pH level that is too high (alkaline) can make the water cloudy and uncomfortable to swim in.

    The ideal total alkalinity level for a hot tub is between 80 and 120 ppm. Total alkalinity helps to buffer the pH level of the water, so it doesn't fluctuate too much.

    The ideal calcium hardness level for a hot tub depends on the type of finish on your hot tub. For acrylic hot tubs, the ideal calcium hardness level is between 100 and 250 ppm. For plaster hot tubs, the ideal calcium hardness level is between 250 and 450 ppm.

    The most common chemicals used to maintain hot tub water chemistry are chlorine, bromine, and sanitizers. Chlorine is the most effective sanitizer, but it can be harsh on your skin and eyes. Bromine is a less harsh alternative to chlorine, but it can be more expensive. Sanitizers are a combination of chemicals that work together to keep your hot tub water clean and safe.

    You should test the water chemistry in your hot tub at least three times a week. If you use your hot tub frequently, you may need to test the water more often.

    You can adjust the pH level of your hot tub water with pH increaser or pH decreaser chemicals. Follow the instructions on the product label to add the correct amount of chemical to your water.

    You can adjust the total alkalinity level of your hot tub water with total alkalinity increaser or total alkalinity decreaser chemicals. Follow the instructions on the product label to add the correct amount of chemical to your water.

    Shocking your hot tub is a way to kill bacteria and other contaminants in the water. You can shock your hot tub with chlorine or bromine shock. Follow the instructions on the product label to add the correct amount of shock to your water.

    Winterizing your hot tub is important to prevent damage to the equipment and the tub itself. To winterize your hot tub, you will need to drain the water, add a winterizing solution, and cover the tub.

    Some common problems with hot tub water chemistry include:

    • Cloudy water
    • Foamy water
    • Scale build-up
    • Low pH
    • High pH
    • Low total alkalinity
    • High total alkalinity

    If you experience any of these problems, you should test the water chemistry and adjust it as needed.