Webstone

The Magnetic Boiler Filter XL is designed to protect larger residential boilers from iron sludge that can accumulate in a hydronic system. Commonly installed on the system run, it captures ferrous and non-ferrous debris before it can reach the boiler using a high-powered 12,000 Gauss magnet and plastic filter.

The drain makes it simple to remove accumulation, with a strapped cap that can be used to actuate the drain valve and a large filter body that increases time between service. A service tool is also included to help install and maintain the filter with ease. G-threads make it simple to swap out your choice of press, MIP, FIP, or sweat G-union end connections in sizes 1¼” or 1½”. The MBF XL can withstand 250°F and 145 PSI CWP.

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All plumbing systems should be designed with future servicing in mind. In a typical closed-loop system, maintenance usually involves a four-step process: draining the existing fluid, flushing with a descaling/cleaning solution, rinsing out the solution, and refilling with new fluid. During installation, contractors will designate a purging station and a filling station in anticipation of such a process. Each station would consist of a hose drain to purge or fill, and a ball valve to isolate it from the rest of the system.

To consolidate components and to avoid draining the system completely, contractors began fabricating combined purging and filling stations. A pair of assemblies each consisting of a boiler drain, tee, and close nipple would be installed, with a central ball valve placed in between the two stations for isolation. By opening the drain valves and closing the ball valve in the middle, the system loop would open. Then, when new fluid was introduced via the filling station, the flow would displace old fluid through the system and out the decoupled purging station on the other side of the ball valve. Through some clever fabrication, what was once a four step process was now just one step.

Though this assembly does its job to simplify the process, it’s not without its drawbacks. Field fabrications, though functional, are an inelegant solution. Contractors need to take into account the bulkiness of such an assembly when designing the system layout, which can be a challenge when space is limited. Aside from the lengthy footprint, this assembly also introduces three valves and four fittings into the system, increasing labor and leak paths with each component used. These disadvantages have long been accepted by contractors as a necessary evil in designing a system that expedites the purging and filling process.

Enter the Webstone Purge & Fill. An all-in-one forged brass valve alternative, it eliminates 6 leak paths and saves the installer nearly one hour of labor. Its patented design not only streamlines installation, but it also employs the same principals explained above to facilitate future servicing of the closed loop. The three-way ball quickly isolates the flow between the two hose connections, allowing new fluid to enter the system through the top fill drain. The fluid will then flow through the system, forcing out the old fluid until it completes the circuit through the bottom purge drain. By displacing the old fluid with the new, contractors can avoid the timely process of draining and filling the system between each step of the maintenance process.

The Purge & Fill was designed for use anywhere that requires routine maintenance of the fluids within a closed-loop. In applications where piping systems are exposed to the elements, a heat transfer fluid like propylene glycol is added to the water to prevent freezing. This fluid mixture will run through the loop, utilizing a heat exchanger to prevent direct contact with any potable water distribution. Over time, this fluid must be replaced, and the piping system should be cleaned or descaled if needed. This is an ideal application for the Purge & Fill because it allows the loop to maintain normal operating conditions as it is simultaneously purged and filled during servicing.

In solar heating systems, the valve can be placed within the heat collection loop. Here the fluid mixture will circulate through the solar collectors, gathering heat that is then distributed to the potable water through the heat exchanger.

In snowmelt applications, the valve can be placed within the heat distribution loop, where the fluid mixture will pass through the heat exchanger and distribute heat through a series of tubing under an outdoor surface.

The fluid mixture’s levels within either loop in must be checked and replaced periodically to ensure proper operation and maintenance of the system. With the Purge & Fill installed in each loop, the fluid can easily be inspected, flushed, and refilled as needed.

Available with threaded or sweat connections and in sizes ¾” through 1 ½”, the Purge & Fill is suitable for any closed-loop system. Its single body forged brass construction features heavy duty brass and hi-flow hose drains. The reversible handle is accompanied by an adjustable packing gland and blow-out proof stem that offer versatility and dependability throughout the life of the product.

Inspired by the field fabrication solutions that came before it, the Purge & Fill is part of Webstone’s Pro-Pal series; a line of step-saving valves designed with the professional in mind. The result is a cleaner looking installation, with fewer components and more efficient system operation. Like all Webstone products, the Purge & Fill is guaranteed for life.

Whether installing a new boiler or maintaining an existing one, it’s important to consider the inherent issues that can befall a hydronic system and impact the performance of its components. Anticipating these pitfalls and planning accordingly will result in a smarter installation.  By choosing your boiler accessories wisely, you can extend the life of your boiler and maintain its efficiency while guarding against potential problems down the road.

One of the most common issues comes in the form of ferrous debris, a result of normal metal pipe wear that, when left unchecked, can cause major problems. Over time, rust particles and other debris in the heating loop build up, creating an iron sludge that reduces boiler efficiency or even stops it altogether from working. The resulting damage can require expensive repairs, increase heating costs, and reduce the overall lifespan of the boiler.

To combat the accumulated sludge in the pipes, a system flush may be required. Depending on the severity of the issue, this could be a costly and time-consuming process. Moreover, doing so will not reverse any damage that’s already been done to the boiler. By the same token, boiler manufacturers are becoming more stringent about their warranty claim requirements. Installing a boiler accessory as a precautionary measure is the most consistent way to ensure due diligence is being done. The best protection from iron sludge is to prevent it from ever reaching the appliance.

To protect the boiler, consider the Magnetic Boiler Filter (MBF) from Webstone®, a brand of NIBCO. It captures ferrous and non-ferrous debris before it can reach the boiler using a high-powered 12,000 Gauss magnet. Its internal filter knocks out sediment as it enters the unit, breaking down the sludge and maintaining optimal flow rate. The build-up is captured in the body, which has a large storage capacity to increase time between service. The strapped cap is also used to actuate the integrated drain valve, making it simple to remove accumulation when needed, and a service tool is included to help remove the filter housing with ease.

The MBF bodies feature G-thread ends for connection to your choice of MIP, FIP, sweat, or press union fittings. Unions and bodies can be purchased as an installation kit or as separate components depending on the installer’s preference. Optional lead-free dezincification-resistant brass isolation valves are also available to simplify future service. When installed in conjunction with a circulator pump, the flanged ball valve saves space, labor, and leak paths compared to the off-the-shelf assemblies that would normally be required to connect the two appliances. It also mitigates the risk of electrolysis and galvanic corrosion, while allowing virtually no air into the system upon pump replacement. For more simple isolation needs, Webstone offers straight and angled G-union ball valves with reversible handles.

For smaller systems, the ¾” and 1” models feature a universal diverter that allows the MBF to be used in both horizontal and vertical piping orientations on the system return line. For horizontal installations on the system run, the Magnetic Boiler Filter XL model is now available in sizes 1¼” or 1½”. Introduced in 2021, the patent-pending MBF XL is ideal for larger residential and light commercial boiler applications, with a robust 2-layer metal mesh filter and manual air vent.

Webstone offers a wide array of system performance products designed to support efficient operations and protect components. To learn more about how you can work smarter, visit Webstone Valves.

When selecting your next Y-strainer, consider upgrading to the new Pro-Pal® Ball Drain Strainer™ from Webstone, a brand of NIBCO®.  Designed to protect the system against debris in the pipes, this patent-pending valve combines a Y-strainer, ball valve, and hi-flow hose drain. Its forged brass construction takes the place of eight individual components; eliminating assemblies needed to isolate, drain, and separate loose particles from the flow. Its flexible design can be installed in a vertical or horizontal orientation, depending on your system’s needs.

The Ball Drain Strainer allows you to isolate the strainer from upstream flow, simplifying the servicing of the strainer port without the need for additional assemblies. During normal operation, the main valve is open to create a straight flow path which allows debris to fall into the plugged blow down port. To remove accumulation, simply close the valve to restrict the flow from the port, unscrew the strainer cap, and clean the debris from the screen. The exclusive multi-function flow path is also ideal for diverting fluid into the drain from either side of the ball. With a turn of the handle, you can choose between a variety of applications including draining before or after the ball, flushing the valve with fresh water, or flushing with reverse flow from the system.

The Ball Drain Strainer is available in sizes ½” to 1¼” in press or FIP connections. It features lead-free dezincification resistant forged brass construction, replaceable 20 mesh screens, and O-ring sealed and plugged strainer port for easy removal of the filter and installation of the drain valve.