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Quick and Easy-to-Use Dwyer® Combustion Test Kit measures all four factors that govern overall efficiency: CO2, content, draft, stack temperature and smoke. Accuracy to ±1/2% CO2 fully meets the requirements of the professional Heating Engineer. Yet an apprentice can follow the simple, illustrated step-the-step instructions. Add a small Pitot tube, which will fit into the kit case for air velocity measurements.

No. 1200-A Combustion Test Kit

New easy-to-carry, impact resistant polyethylene carrying case with handle.
No. 1101 CO2 Indicator - Clear acrylic plastic, virtually unbreakable.
Aspirator Bulb, Filter and Tubing Assembly.
Filter Wool - extra supply in bag for about 1000 tests.
No. 171 Draft Gages - continuously indicating.
Dwyer® Smoke Gage Pump - fast-working, this first known unit to conform with ASTM D-2156-XX standards for testing smoke density in flue gases.
Smoke Filter Paper - An exclusive Dwyer development.
Magnehelic® Gage - 0.25" w.c. and 300 to 2000 FPM. Included in Model 1200-B kit below.
Awl - pierces smoke pipe for thermometer and sampling tubes.
CO2 Absorbent Solution - extra supply for many tests.
No. A-503 Stack Thermometer - dial type, stainless steel 200 to 1000°F.
Gage Oil - long-lasting extra supply.
Spring Holders - for thermometer and terminal tubes.
Hole Plugs - packet to fill awl holes.
Smoke Chart - laminated plastic for comparison with samples taken.
Dwyer® Combustion Efficiency Slide Rule Computer - simple to operate.
Operating Instructions - simple, illustrated. Show step-by-step use.
Combustion Data Cards and Parts List - plastic, weighs only 6 lb 8 oz.

No. 1200-B Combustion Test Kit Includes portable Dwyer® Magnehelic® Draft Gage with large 4" dial instead of No. 171 Inclined Draft Gage, 0 to .25" w.c. range in .01" divisions. Also has air velocity scale with 300 to 2000 FPM range. No leveling necessary; no gage oil required. Kit is otherwise identical to No. 1200-A and weighs only 7 lb 5 oz.