Dwyer Instruments 1211-36 Slack Tube Manometer 319825-402 this is a mechanical rebuild

this is a mechanical rebuild kit containing internal wear parts like diaphragms and springs

With a maximum working pressure of up to 450 PSIG (31 bar) and a powder-coated finish for corrosion resistance

and 94 series boilers

Seamless System Logic: Restores dependable communication between the sensor probe and the DDC controls

The Schneider Electric Erie VS2222 is a high-performance 1/2 inch NPT zone valve body designed for demanding hydronic and steam applications

Dwyer Instruments 1211-36 Slack Tube Manometer 319825-402 this is a mechanical rebuildThe Dwyer Instruments 1211 36 Slack Tube Manometer is a field proven U tube manometer designed for technicians who require laboratory grade precision in a portable, rugged format. Featuring a dual column range of 18 0 18 inches w. c., this instrument is specifically engineered for duct static pressure measurement, filter monitoring, and setting precise damper positions. The flexible vinyl plastic columns and spring steel scale allow the unit to roll