15 ©2025 Johnstone Supply, LLC 228999 H86-103 Mfg. #0564-3004-93 Testo 300 Commercial Combustion Analyzer Kit with Printer Test and tune all types of boilers, heaters and furnaces 23999 H27-053 Mfg. #718-202-G1 Inficon GAS-Mate® Combustible Gas Leak Detector Pinpoints leaks as low as 5 PPM Great for combustible refrigerants like R290, R600a, and R441a 16299 H29-078 Mfg. #DT720 UEi Dual Input Digital Thermometer Measure liquid, ambient and surface temperatures Calculates differential temperature (T1 - T2) 2599 G38-536 Mfg. #1046741 BRK 10-Year Sealed Battery Smoke Alarm Battery powered smoke alarm with sealed 9V lithium battery 10-year alarm/battery life Combustion Combustion/CO Detection TECH TIP OSHA Rules OSHA requires a 10B or higher rated fire extinguisher when a jobsite has more than 5lb of flammable gases on site. 4999 W80-311 Mfg. #PRO5 First Alert Pro PRO5 Rechargeable Heavy Duty Fire Extinguisher UL Rated Extinguisher designed for heavy duty household or commercial use Rechargeable 3-A 40B:C 5 lb. dry powder Monoammonium Phosphate Extinguishing Agent Commercial-Grade Metal Valve and Trigger Easy-to-Read Pressure Gauge Fits Easily Inside Standard Fire Box Wall bracket included 25999 H27-620 Mfg. #SCM4 Fieldpiece Carbon Monoxide Detector Large backlit display shows CO levels from 0 to 1,000 PPM (continuous use) and 0 to 2,000 PPM (5 minute maximum exposure)
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