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Thermophore MaxHEAT Moist Heating Pad – Large 14" x 27" Model 155 for Back, Shoulders & Legs – Deep Heat Therapy Pad
View of the pad laid out next to the manufacture packaging.
Man using Thermophore heating pad in gym
View of the pad laid out next to the manufacture packaging.
View of the pad laid out showing the length and width along with a detail of the switch.
Images showing the Model 155 in use on shoulders, abdomen, hip and back.
Front View of manufacture packaging of the Model 155

Thermophore MaxHEAT Moist Heating Pad – Large 14" x 27" Model 155 for Back, Shoulders & Legs – Deep Heat Therapy Pad

Price
$ 61.49 $ 89.99

Since 1931: America’s Trusted Heating Pad!

Feature Thermophore MaxHEAT (Model 155) Generic Heating Pads
Size 14" x 27" – Full Coverage 10" x 12" – Small Area
Weight 4 lbs – Weighted for Contact Light – Easily Slides Off
Moist Heat Yes – No Water Required Often Dry Heat or Manual Dampening
Heat Control One-Touch Hand Switch Basic Toggle or Dial
Heat Settings 3 Adjustable Levels (Low/Med/High) 1–2 Settings or Fixed Output
Auto Shut-Off 25-Minute Safety Timer Not Always Included
Contours to Body Yes – Flexible & Weighted No – Flat & Rigid
Warranty 2 Years Typically 1 Year or Less

Thermophore MaxHEAT Model 155 – Our #1 selling moist heating pad for deep, penetrating pain relief. Weighted, full-coverage, and easy to control.

Experience professional-grade relief with the Thermophore MaxHEAT Model 155, our #1 selling moist heating pad trusted by thousands for effective, deep-penetrating pain relief. This large, weighted pad delivers fast-acting, high-temperature moist heat without requiring water, making it ideal for arthritis, back pain, and muscle stiffness. The flexible design conforms to your body, and the one-touch switch puts control right in your hand for quick, targeted comfort.

Whether you're managing chronic pain or recovering from tension and stress, the Thermophore 155 provides heat that goes deeper than ordinary pads—bringing real relief where it counts.

Key Features:

  • Large 14" x 27" pad covers back, spine, hips, or shoulders

  • #1 best-selling Thermophore heating pad trusted for pain relief

  • Generates moist heat without adding water manually

  • Weighted design stays in place for deeper penetration

  • Flexible flannel cover contours naturally to your body

  • One-touch hand switch gives instant control of therapy

  • Three heat settings (Low, Medium, High) for personalized comfort

  • Heats up fast—reaches up to 165°F for professional-grade relief

  • 25-minute auto shut-off for safe, consistent use

  • Soft, washable fleece cover included

  • 2-Year Limited Warranty

 

Compare Thermophore Large 14x27 Models

Key Difference MaxHEAT 155 Liberty 155 Classic 055
Heat Control 3 Heat Setting (Low, Medium, High) 3 Heat Setting (Low, Medium, High) Press-and-hold switch
Heating Performance Deepest, most intense moist heat Deepest moist heat, USA Assembly Deepest moist heat, same intensity
Cover Material Soft flannel cover (premium) Soft flannel cover Soft flannel cover
Product Positioning Premium model with top heat output Higher Standard version of Model 155 Trusted original design for decades
Country Assembled In China USA China

Current Product
Shop Liberty 155 Shop Classic 055

Conclusion:

  • MaxHEAT 155: Highlighted as the premium product with top heat intensity and a soft flannel cover.

  • Liberty 155: Same Design and features, assembled in USA.

  • Classic 055: The original design known for reliability and self control of heat, assembled in China

What Is Moist Heat Therapy?

Moist heat therapy uses water vapor to conduct heat deeper into muscles and tissues than dry heat (like a standard heating pad or heat wrap). It’s commonly recommended by physical therapists and pain specialists for more effective, longer-lasting relief.

Benefits of Moist Heat Therapy:

  • Penetrates deeper than dry heat

  • Increases blood flow to promote healing

  • Relaxes stiff joints and muscle spasms

  • Eases chronic pain from arthritis, fibromyalgia, or injury

  • Reactivates natural lubrication in joints and connective tissues

When to Use Moist Heat Therapy

  • After the first 48–72 hours of an injury (once swelling is down)

  • For chronic conditions like arthritis, back pain, or sciatica

  • To relieve muscle tension, soreness, or spasms

  • Before stretching or exercising tight muscles

  • During recovery from sports injuries or overuse

⚠️ Avoid using heat on fresh injuries, swelling, or open wounds—use cold therapy first, then switch to heat once inflammation has decreased. Always consult your doctor or healthcare provider for proper guidance when treating injuries.

Why Does the Thermophore Have a 25-Minute Timer?

The 25-minute auto shut-off is a safety feature designed to:

  • Prevent overheating or burns from extended use

  • Avoid falling asleep with the pad on (a common misuse risk)

  • Follow clinically recommended therapy intervals (15–30 minutes)

Thermophore pads reach higher temperatures than generic brands, so limiting exposure to 25 minutes at a time provides safe, effective relief without risk of skin damage or overheating.

 

⚠ This product can expose you to lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 

www.P65Warnings.ca.gov

     

    Customer Reviews

    Based on 45 reviews
    87%
    (39)
    9%
    (4)
    2%
    (1)
    2%
    (1)
    0%
    (0)
    a
    ak
    Far superior

    No comparison to other pads. Highest quality in every respect. Automatic moisture heat without having to spray water is a bonus. Worth every penny.

    A
    Adrienne
    Purchased as a gift

    My massage therapist used this heating pad on me and it was heaven so I decided to buy one for myself. It works so well for sore muscles, aches and pains. I bought this one as a gift and the recipient raved about it. The weight of it helps it stay in place and it is very effective at delivering heat quickly and effectively.

    M
    Mason

    Best heating pad i’ve ever had.

    M
    Margaret H.
    disappointed

    My heating pad broke,Model 055. I didn't pay attention, and ordered the wrong model. Not like my older one. Not happy.

    Please give us a call at 1.800.403.8285 or email us at sales@hrmusainc.com and we can help you return this pad and get the one you prefer ordered and on its way to you ASAP! :)

    R
    Rita

    The beat heating pad