Online Orders OPEN & Shipping as Normal. Phones & In-Store Closed until 30 April. Please eMail for all inquiries. More info here.

FREE SHIPPING OVER $149.00* - Save $$ by Buying 6 or More for Jets, Filters & Fittings.

100% Australian Owned & Operated Small Family Business - No Gimmicks - No Spam

Spa Hot Tub Silicone Sealant Glue - HM-270

$30.00 $37.00
Tax included Shipping calculated at checkout.


Loctite Pro-Series OSI HM-270 Spa, Pool & Hot Tub Sealant. Clear silicone glue. This is the silicone sealant that the spa manufacturers use for sealing jet bodies, air injectors, and filter bodies. 

Perfect for Spa Parts Sealing:

  • Air Injectors
  • Jet bodies
  • Lights
  • Controls
    • Exactly what manufacturers & spa technicians use
    Silicone Sealant:
    • 1 Part RTV Silicone
    • Superior Elasticity and
    • Long Life Durability
    • Permanently Watertight
    • Weatherproof
    Bonds to:
    • Acrylic
    • Fibreglass
    • Many plastics
    • Glass (not aquariums)
    • Ceramics
    • Aluminum
    • Primed Steel and Some Plastics
      • Withstands -51°C/-60°F Degrees To 204°C/400°F Degrees
      • Resistant to Ultraviolet Light.
      • A 1/4” (6 mm) bead extrudes approximately 31 ft. (9.5 m)
      • A 3/8” (9.5 mm) bead extrudes approximately 14 ft. (4.2 m)

      Not recommended for the following applications:

      • Use with concrete, marble, brass, copper, oily woods, limestone, brick, lead surfaces, polyethylene, polypropylene, polytetrafluoroethylene (PTFE) and other related materials
      • Beads in constant water immersion - Perfect for use in fitting spa jets, filter frames, as its works as a filter on the jet body to the spa shell. Not good for pool glass or seams.
      • Horizontal joints or traffic bearing joints where abrasion resistance is required (i.e. walkways, driveways, runways, etc)
      • Applications in totally confined or air-free spaces
      • Sealing green or vulcanized rubber
      • Direct contact on the reflective coatings on mirrors
      • Applications requiring painting (paint will not adhere to silicone)


      Payment & Security

      Payment methods

      • American Express
      • Apple Pay
      • Google Pay
      • Mastercard
      • PayPal
      • Shop Pay
      • Visa

      Your payment information is processed securely. We do not store credit card details nor have access to your credit card information. Major Credit Cards, PayPal, ApplePay, GooglePay accepted.

      • Identifying Parts

        Before making a phone call, the fastest way to identify parts is to send photos of the Front, Back, Sides along with any Measurements.

        Use the Contact Us form to upload from a Phone, Tablet or Computer.

      • Technical Support

        For Technical Queries, please use the Contact Form. Please include as much information as possible.

        We also have a range of manuals available.

        Electrical & gas work must be performed by a licensed & experienced person.

      • Heater and Spa Parts - Australia's Biggest & Fastest Shipper of Spa Parts & Pool Heaters

        About Us

        100% Australian Owned & Operated. A real, physical store, with shipping from Vic, NSW, Qld, & WA.

        We carry more stock of spa parts & pool heaters and ship faster than anyone!

        Ex-employees of the biggest manufacturers and distributors, so we know what we're talking about!