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SS740 – 224 GPM Boiler Water Treatment System with Scale Inhibitor Filters


  • Round, multi-cartridge stainless steel filter housing with band clamp
  • Heavy-duty 304 stainless steel with electropolished finish at no extra cost
  • Whole system is machine welded
  • Legs included at no extra cost
  • Includes seven 40″ sediment/scale inhibitor cartridges (AMF-SDR540)
  • Flow rate up to 224 GPM
  • Free shipping*

Multi-Cartridge Band-Clamp Liquid Vessel (Boiler Treatment System)

The Premiere SS740 is a heavy-duty stainless steel multi-cartridge vessel containing seven (7) 40″ sediment filters with scale inhibitor. With a high flow rate of up to  224 gallons per minute, this system is ideal for industrial and commercial applications including boilers up to 1.5 million BTU rating. This system is for hot or cold applications, and can be used for both chlorinated (municipal) and non-chlorinated (well water) systems. Don’t risk failure or flood damage with a low-cost, plastic water filter housing that could burst. This system is high quality 304 stainless steel construction that provides maximum durability and is resilient to corrosive substances and chemicals.

SS740 Key Features & Benefits:

  • Heavy-duty, 304 stainless steel
  • Electropolished on the inside and out – see additional benefits below
  • Entire housing is machine welded
  • Legs included at no extra cost
  • Band clamp design for easy & fast cartridge change outs, secure sealing, and safe operation
  • Two built-in gauge ports on inlet and outlet – easily read incoming and outgoing pressure to know when it’s time to change filters
  • One 3/4″ MPT drain opening at bottom of housing for easy flushing and cleaning
  • Delivers an impressive, unrestricted flow rate of up to up to 224 gallons per minute (cartridge dependent), which is a sufficient supply of filtered water for very large homes or mansions (6+ bathrooms) and commercial applications – especially boilers and hot water heating systems
  • Can hold seven (7) 2.5″ D x 40″ L double open-ended (DOE) style filter cartridges – 7 x AMF-SDR540 scale inhibitor cartridges are included
  • Knife edge seals eliminate bypass on DOE cartridges
  • *Free shipping within contiguous USA!
  • The competition charges for premium features like legs and an electropolished finish – legs and electropolished finish come standard with this system at no additional cost.
  • Ideal for boilers up to 1.5 million BTU rating
  • Provides tremendous capacity to remove and/or reduce sediment and scale that may be present in your water
  • Significantly reduces hardness build up due to minerals present in the water supply
  • For hot or cold water use
  • Can be used for chlorinated (municipal) or non-chlorinated (well water) systems
  • 2″ NPT connections assist in maximum flow rate with minimum pressure drop
  • NSF® certified components. NSF International is one of the most respected independent certification organizations, which rigorously tests products to comply with all standard requirements

Benefits of AMF-SDR540 scale inhibitor cartridges

  • Premium 5 micron water filter cartridge with scale inhibitor to protect your heat exchanger and avoid tank failure
  • Siliphos ® scale control product prevents scale and stops corrosion. It works by forming a thin protective layer on the metal surface to inhibit the deposition of scale and corrosion on your tankless water heater
  • Rigid construction with deep grooves. The deep grooves increase surface area, enhance contaminant holding capacity, and promote fuller utilization of the depth-matrix for fewer cartridge change outs
  • Reduces unloading at high differential pressure
  • Made without adhesives, binders, surfactants or lubricants for compatibility in a wide range of applications and operating conditions
  • The differences between our tankless water heater filter cartridge and other suppliers is the 5 micron absolute rating, deep grooves, and use of the most effective scale control formula. Don’t settle for inferior cartridges with no track record!

Benefits of electropolished 304 stainless steel

  • Maximum tarnish and corrosion resistance
  • Surface is easy to clean – reduced cleaning time by more than 50 percent!
  • Less bacteria growth
  • Microscopic smoothness
  • Bright, highly reflective finish
  • Substances are less likely to adhere to the surface (cake-on)
  • Less friction and surface drag

The 304 stainless steel housing provides maximum durability and is resilient to corrosive substances and chemicals. Enjoy peace of mind against the risk of failure and flood damage. A stainless steel water filter housing is the preferred choice for many applications due to its durability and extended life compared to plastic housings. Don’t be tricked by fiberglass, resin, or plastic housings that may only have a “stainless steel wrapper” which is for looks and doesn’t provide any structural integrity. Fiberglass, resin, and plastic housings may also leach into your water.

SS740 Specs:

  • Max operating temperature: 250°F
  • Connections: 2″ FNPT inlet and outlet
  • Flow rate: 224 gallons per minute

What is boiler scale?

Boiler scale is a hard, mineral coating that can collect on the water-side of boiler tubes. Scale is a problem for boilers because it acts as a barrier to heat transfer which increases energy consumption and costs. Scale also causes boiler tube corrosion and failure (boiler tubes are very expensive to replace!).

Boiler scale removal and scale inhibitor

The best and easiest way to maintain your boiler is to have a boiler water filter with scale inhibitor.

The SS740 stainless steel boiler water treatment system with corrosion and scale inhibitor filters will remove existing scale deposits, prevent scale, and stop corrosion. Scale inhibitor works by forming a thin protective layer on the metal surface to prevent the deposition of scale and corrosion.

Premiere Sales Boiler Scale Guide