#79 Main Vent For Hydronic Heating, #75 Max operating Pressure, connection size; 1/2" F.I.P. or 3/4' M.I.P. Measures: 6-5/8" long x 2-1/2" diameter

This valve from Webstone is The Isolator, a Webstone original. The valve is IPS x Flange, and is a full port forged brass ball valve with a drain. A handy compact and cost effective way to create an air purge in your hydronic heating system. This valve comes in eight sizes from 3/4" to 2" and is the 4041 series.

Bell & Gossett Check-Trol, NPT Isolation Flow Control Flange Set

Bell & Gossett Check-Trol, Sweat isolation flow control flange set (2 flanges). Please note - Image is of a NPT (National Pipe Size) "Iron Pipe Size" set - not sweat. 101228

The Silver King "Force and Suction Pump" has dozens of uses on the job for HVAC Contractors, Plumbers, In-Plant Maintainance, Farming and the Marine Fields and more. The Force and Suction Hand Pump is a professional grade tool with all brass construction. As the name implies the Force and Suction Hand Pump may be used to force solutions such as boiler leak stop, anti-freeze, cleaners, Inhibitors and lubricants into a Heating Boiler, Process Boiler, HVAC Unit Engine or Piping System under pressure, without shutting down the system. Use the suction pump to evacuate sump, drainage distribution boxes, receiver pits, buried irrigation control / valve / Emitter, electrical, water meter, sewer, reclaimed water, low voltage lighting and cable boxes. A Plumbers Professional Tool Winterize The Force and Suction Hand Pump can help you to quickly drain water from plumbing fixtures - tanks, pumps, toilet bowls, traps and more and replace and protect from freeze-ups with non-toxic antifreeze.

PL-55 (1BL032) Cast Iron and PL-55B (1BL068) Bronze 2/5 HP Hydronic Heating Circulators. Bell and Gossett's Series PL-55 Circulators are permanently oil lubricated and completely maintenance free. Series PL-55 has an advanced close-coupled design that increases pump life and efficiency, assures dependable seasonal start-ups and can easily handle difficult water conditions. Flanges available separately.

Multi/Pak 80 Baseboard Radiation by Slant/Fin. Comes in 2, 3, 3-1/2, 4, 5, 6, 7 or 8 foot lengths. This is type #83A Base Board it includes type H3 - 3/4 Inch Aluminum/Copper Fin Tube, High Output Heating Element. Rated at 770 BTU's per linial foot at 180F Deg. water at 4 GPM.

Bell and Gossett F-3 The Dual Valve is a combination of a Relief Valve and a(PRV)Pressure Reducing Valve with a Fast Fill feature.

Taco Heat Motor Zone Valves provide a convenient way to create individual zones or equipment isolation in a hydronic heating system. Utilizing one pump along with multiple zone valves, flow can be started, stopped, or diverted through the system to provide individual room or area comfort control and evergy savings. 2-Way 125 PSI 55' Pump head

Refractive Tester - The Duo-Chek DC70 measures both Ethylene Glycol and Propylene Glycol based boiler solutions and engine fluids. (Propylene Glycol is the environmentally - friendly antifreeze, which hydrometers cannot measure!)