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Ships within 48 hours · Estimated delivery Sep 4 - Sep 9
With a 175 PSI pressure rating
Built for efficiency and durability
It serves as the direct factory replacement for the Lennox 44J23
With 1" NPT connections and 1 HP rated relays for both burner and pump circuits
allowing for multiple viewing angles to confirm flame presence in large combustion chambers
Dwyer Instruments 1221-12-W/M Manometer 323080-701 With a 175 PSI pressureThe Dwyer Instruments 1221 12 W M Manometer is a field proven Flex Tube U Tube Manometer designed for the high precision pressure diagnostics required in heavy duty HVACR environments. This differential pressure gauge features a 12 inch water column range (6 0 6" w. c.), making it ideal for determining duct static pressure, filter resistance, and fan efficiency. Constructed with 0. 375" O. D. clear butyrate tubing, the columns are specifically
