Dwyer Instruments 1223-36-D Manometer 322838-753 Always verify the 480V power

Always verify the 480V power supply is locked out before testing resistance

ensuring the system returns to service with peak safety shutdown accuracy

As a primary furnace heat exchanger

you know that maintaining a stable 10-inch water column is critical for preventing ignition lockout and flame failure

the 031784700 utilizes a cross-ambient charge to maintain responsiveness across a broad range of operating conditions

Dwyer Instruments 1223-36-D Manometer 322838-753 Always verify the 480V powerThe Dwyer Instruments 1223 36 D Manometer is a heavy duty U tube manometer engineered for precision pressure measurement in demanding industrial environments. This dual column gauge features a 36 inch scale length with an 18 0 18" w. c. range, providing high resolution readings for positive, negative, and differential pressures. Constructed from shatterproof clear plastic tubing mounted to a rigid white vinyl scale, the 1223 36 D utilizes . 826 sp.