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The MZF draft gauge is a portable manometer that enables contractors and technicians to quickly and accurately measure draft. The MZF is suitable for many applications, including checking flue pipes, chimneys, draft regulators, basement ventilation and more. It does not require tedious leveling or liquid refilling like other manometer types, so it is always ready for immediate use.
  • A dependable and service-free manometer
  • Quickly checks draft in a variety of applications
  • Portable with 9 feet draft tube for easily reaching various measurement points
  • Can be permanently installed and the draft tube extended to up to 50 feet
  • 0.01 Inch H2O resolution
  • 9 - 50 feet draft tube length
  • 1 year warranty
Item#:
N29-10R
Manufacturer Item:
N29-10R
Manufacturer:
SID HARVEY REMANUFACTURED
Honeywell Protectorelay RA890F1270/U Flame Safeguard Primary Control for Industrial and Commercial Single or Dual Fuel Burners, 120 VAC
  • Primary control provides solid state, electronic flame safeguard protection for industrial and commercial single or dual fuel burners for rectification type flame detection
  • Uses rectification principle of electronic flame detection
  • Replaces RA890E in most applications and mounts on same Q270A1024 sub base
  • Recycles if flame signal lost while in run, failure to establish pilot results in a lockout
  • Safe-start check prevents start-up if flame-simulating failure occurs in flame detector circuit
  • Includes built-in protection against ignition crossover in flame rod systems
  • Includes SPDT alarm contacts
  • Solid state circuitry
  • Mounts and removes easily through use of captive mounting screws
  • Mounting base is made of strong thermoplastic
  • 0.8 sec flame failure response time
  • 15 sec safety switch timing
  • SPDT alarm relay switching
Item#:
R202-48R
Manufacturer Item:
RA890F1270
Manufacturer:
SID HARVEY REMANUFACTURED
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