E MB RACING the past

Essential Plumbing Tool Restored To Its Former Glory

While reclaiming original radiators from a 130-year-old house in Toronto’s Annex neighbourhood, a crew from Ironworks Radiators Inc. discovered a Walco 24-in. pipe wrench from the J. J. Walworth tool factory. The pipe was found in the boiler room of the 2.5-storey, Victorian semi-detached home. Ironworks has returned the wrench to its former glory in honour of those who made a living with it. It will be hung on the wall at Ironworks’ Etobicoke, ON location

A Piece Of History

In the 1840s Walworth and Nason, which at the time was owned by J.J. Walworth and Joseph Nason, introduced the world to steam heating systems. Over the next few decades the company’s machinists had to create much of what it needed to build these systems, such as fittings, valves, radiators and tools, including the Stillson pipe wrench.

Today, the term “Stillson” refers to a wrench style, while the patent for the original adjustable wrench designed for iron pipes was issued to Daniel Stillson in 1869. He was employed by Walworth and at that time intellectual property remained with the individual rather than the company they were working for.

The actual amount Stillson received in royalties over the course of his lifetime depends on who is reporting it, but the range is $80,000 ($2.6 million today) to $100,000 ($3.3 million today).

A.O. Brungardt, who also worked at Walworth, registered the patent shown on Ironworks’ restored “Stillson” type wrench in 1929.

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Suspension system

The Harsh Environment (HE) Suspension System for HVAC fabric ducts feature a hot dipped galvanized (HDG) coating, making it strong enough to withstand hostile environments such as indoor pools. Designed for use with FabricAir’s anodized aluminium H-Rail suspension products, the unit includes HDG threaded M8 steel rods, nuts, washers, threaded rod couplings and rod/H-Rail connectors, and is applicable for an eight- to 90-in. diameter fabric duct. www. fabricair.com

Ceiling fans

The eight-blade Rio Vista and five-blade Pleasanton Series of ceiling fans from Delta Electronics offer smooth startup and quiet operation through a brushless DC motor for an even airflow. The units come with a hand-held remote to control six fan speeds and a 20-watt LED light module. Available in black or white with a 60 or 72-in. diameter, the fans can be installed in indoor and outdoor locations for residential or light commercial applications.

www. deltabreez.com

Unit heaters

Nortek Global HVAC introduces three new capacities for the Reznor UEZ condensing gasfired unit heater: 55, 85 and 110 MBH. The units feature a 93 per cent fuel efficiency, a status light, hinged access door, error code display on the control board for easy service and maintenance, and an appliance-grade finish. The unit heaters use outside air for combustion, and are certified for use in industrial/ commercial and residential non-living space applications. www. nortekhvac.com