+ Post new Ad
QFM81.21 Siemens Hygrostat, US $50.00 – Picture 0
QFM81.21 Siemens Hygrostat, US $50.00 – Picture 1
QFM81.21 Siemens Hygrostat, US $50.00 – Picture 2
QFM81.21 Siemens Hygrostat, US $50.00 – Picture 3
QFM81.21 Siemens Hygrostat, US $50.00 – Picture 4
QFM81.21 Siemens Hygrostat, US $50.00 – Picture 0
QFM81.21 Siemens Hygrostat, US $50.00 – Picture 1
QFM81.21 Siemens Hygrostat, US $50.00 – Picture 2
QFM81.21 Siemens Hygrostat, US $50.00 – Picture 3
QFM81.21 Siemens Hygrostat, US $50.00 – Picture 4

Qfm81.21 Siemens Hygrostat

US $50.00

  • Richmond, Virginia, United States
  • Jan 29th
Open on mobile:
QR code
QFM81.21 Duct Hygrostat is an adjustable humidity sensing duct mounted hygrostat. This unit can be set from an internal set point adjustment from 15% to 95% humidity.  Applications: Can be used as a max humidity limiter in hvac duct work Can be used as a minimum humidity limiter in hvac duct work Control of humidification equipment Control of dehumidification equipment  It is in fantastic, unused condition.  Please contact with further questions! Check out my other items!
Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...
Brand Siemens
MPN QFM81.21

Directions

Similar products from Controllers & Boards

0031-01973-000 031-01933-000 OEM York Coleman Luxaire Furnace Control Board

0031-01973-000 031-01933-000 OEM York Coleman Luxaire Furnace Control Board

  • Joliet, Illinois, United States
  • Jan 29th
Honeywell W7760A 2011 Excel 15A Building Manager LonMark

Honeywell W7760A 2011 Excel 15A Building Manager LonMark

  • Macomb, Michigan, United States
  • Jan 29th
Carrier CEP-5201-33CC400635 VVT Zone Damper Actuator KIT# 33CSDCARPL

Carrier CEP-5201-33CC400635 VVT Zone Damper Actuator KIT# 33CSDCARPL

  • Macomb, Michigan, United States
  • Jan 29th
New TRANE Tracer VV550 Variable Air Volume VAV Controller Board X13690257-02

New TRANE Tracer VV550 Variable Air Volume VAV Controller Board X13690257-02

  • Macomb, Michigan, United States
  • Jan 29th
M510CJ Control Module

M510CJ Control Module

  • Perryville, Kentucky, United States
  • Jan 29th
Honeywell Defrost Control Board 1084-83-100A 1087562 1084-100

Honeywell Defrost Control Board 1084-83-100A 1087562 1084-100

  • St. George, Utah, United States
  • Jan 29th
Ranco 020-7006 , 84083-2, Pressure control, NEW

Ranco 020-7006 , 84083-2, Pressure control, NEW

  • Punta Gorda, Florida, United States
  • Jan 29th
Control Board Marvair 70281 p/n b810179-400 clean board never installed

Control Board Marvair 70281 p/n b810179-400 clean board never installed

  • Cloverdale, Indiana, United States
  • Jan 29th
Honeywell 1139-83-500A Defrost Control Board 624635-a 30 day warranty

Honeywell 1139-83-500A Defrost Control Board 624635-a 30 day warranty

  • Cloverdale, Indiana, United States
  • Jan 29th
Honeywell Universal Hot Surface Ignition Module S8910U 1000 HVAC

Honeywell Universal Hot Surface Ignition Module S8910U 1000 HVAC

  • Levittown, Pennsylvania, United States
  • Jan 29th
Taco 569 Transformer for Zone Valves, 24 Volt, New Old Stock, FREE SHIPPING

Taco 569 Transformer for Zone Valves, 24 Volt, New Old Stock, FREE SHIPPING

  • Cranston, Rhode Island, United States
  • Jan 29th
tekmar 368 expansion zone control

tekmar 368 expansion zone control

  • Randolph, Vermont, United States
  • Jan 29th
Trane control module and display with three more modules

Trane control module and display with three more modules

  • Reisterstown, Maryland, United States
  • Jan 29th
NEW HONEYWELL R866A 1044 2 WIRE 24V PROTECTORELAY

NEW HONEYWELL R866A 1044 2 WIRE 24V PROTECTORELAY

  • Hillside, New Jersey, United States
  • Jan 29th
HONEYWELL BURNER CONTROL RM7897A1002 (1241 Cycles 51Hours)

HONEYWELL BURNER CONTROL RM7897A1002 (1241 Cycles 51Hours)

  • Euclid, Ohio, United States
  • Jan 29th
New Taco 3/4" Flo- Chek with fittings

New Taco 3/4" Flo- Chek with fittings

  • Catskill, New York, United States
  • Jan 29th
Johnson Controls A19ABA-40C Remote Bulb Temperature Control -30'F to +100'F

Johnson Controls A19ABA-40C Remote Bulb Temperature Control -30'F to +100'F

  • Marietta, Georgia, United States
  • Jan 29th
Honeywell R7247B 1003 Dynamic Self Check Rectification Amplifier Flame Amp

Honeywell R7247B 1003 Dynamic Self Check Rectification Amplifier Flame Amp

  • Fort Wayne, Indiana, United States
  • Jan 29th
Trane Direct Coupled Actuator

Trane Direct Coupled Actuator

  • Reisterstown, Maryland, United States
  • Jan 29th
NEW HONEYWELL T991A1079 TEMPERATURE CONTROLLER 160-260° F W/ 20' COPPER ELEMENT

NEW HONEYWELL T991A1079 TEMPERATURE CONTROLLER 160-260° F W/ 20' COPPER ELEMENT

  • Walworth, Wisconsin, United States
  • Jan 29th

People who viewed this item also vieved

#41 BRISTOL 3 TON A/C COMPRESSOR M# H22J36BABCA 36,000 BtuH High Temp

#41 BRISTOL 3 TON A/C COMPRESSOR M# H22J36BABCA 36,000 BtuH High Temp

  • Hatboro, Pennsylvania, United States
  • May 27th
Azel Digital Thermostat D-135E

Azel Digital Thermostat D-135E

  • Farmingdale, New Jersey, United States
  • May 27th
Taco 009-F5 Pump

Taco 009-F5 Pump

  • Lapeer, Michigan, United States
  • May 27th
Cast Iron Cartridge Circulator 1/25 Hp B J Terroni Hydronic Parts 007-F5

Cast Iron Cartridge Circulator 1/25 Hp B J Terroni Hydronic Parts 007-F5

  • Tehachapi, California, United States
  • May 27th
Sporlan C-033S liquid line driers.

Sporlan C-033S liquid line driers.

  • Franklinton, Louisiana, United States
  • May 28th
R404a, R404, R-404, 404a Refrigerant 24lb tank. Open Box Full and Factory Oem

R404a, R404, R-404, 404a Refrigerant 24lb tank. Open Box Full and Factory Oem

  • Clearwater, Florida, United States
  • May 28th
New Vintage Automatic Products AP Oil Air Control Valve Model 240 ETS GB Type G

New Vintage Automatic Products AP Oil Air Control Valve Model 240 ETS GB Type G

  • Coeur d'Alene, Idaho, United States
  • May 28th
Bell and Gossett 117413LF Circuit Setter Balancing Valve 3/4" Sweat lead free

Bell and Gossett 117413LF Circuit Setter Balancing Valve 3/4" Sweat lead free

  • Lynnwood, Washington, United States
  • May 28th
lot of 4 1/2" Mepco 1E straight thermostatic radiator steam trap

lot of 4 1/2" Mepco 1E straight thermostatic radiator steam trap

  • Lynnwood, Washington, United States
  • May 28th
Lennox P-8-8041 Condenser Fan Motor, Emerson K55HXFCM-3264 1/3 HP

Lennox P-8-8041 Condenser Fan Motor, Emerson K55HXFCM-3264 1/3 HP

  • Hugo, Minnesota, United States
  • May 29th
Lennox 58H2201 Blower Motor Emerson K55HXKGN-3219, 3/4 hp

Lennox 58H2201 Blower Motor Emerson K55HXKGN-3219, 3/4 hp

  • Hugo, Minnesota, United States
  • May 29th
OEM 1172829 Genteq HD52AE100 GE 5SME39SL0988 Blower Motor ECM 3/4 - 1 hp

OEM 1172829 Genteq HD52AE100 GE 5SME39SL0988 Blower Motor ECM 3/4 - 1 hp

  • Hugo, Minnesota, United States
  • May 29th
American Standard Trane Draft Inducer Blower D341663P04 7002-3275

American Standard Trane Draft Inducer Blower D341663P04 7002-3275

  • Superior, Wisconsin, United States
  • May 29th
Emerson 50M551-843 Ignition Control Module for 50M61-** 18M3401 83L9301 Trane

Emerson 50M551-843 Ignition Control Module for 50M61-** 18M3401 83L9301 Trane

  • Superior, Wisconsin, United States
  • May 29th
Tyco SOURCE 1 TRANSFORMER 120-24V 75VA

Tyco SOURCE 1 TRANSFORMER 120-24V 75VA

  • San Ysidro, California, United States
  • May 29th
THERMAL TRANSFER PRODUCTS 150 PSI HEAT EXCHANGER EKTS-508

THERMAL TRANSFER PRODUCTS 150 PSI HEAT EXCHANGER EKTS-508

  • Sunman, Indiana, United States
  • May 30th
EVAPORATOR/CONDENSER 30 kW (8.5 RT) Brazed Plate Heat Exchanger BL50-54R

EVAPORATOR/CONDENSER 30 kW (8.5 RT) Brazed Plate Heat Exchanger BL50-54R

  • Milton, Ontario, Canada
  • May 30th
Rheem RXHJ-21B05J - Heater Kit - 5kW (1-1/2 to 2 Ton) - PROTECH Furnace part

Rheem RXHJ-21B05J - Heater Kit - 5kW (1-1/2 to 2 Ton) - PROTECH Furnace part

  • Atlanta, Georgia, United States
  • May 30th
NEW Nutone Bathroom Fan # 696N; 50 CFM / 4.0 Sones, nib FAST SHIP

NEW Nutone Bathroom Fan # 696N; 50 CFM / 4.0 Sones, nib FAST SHIP

  • Amity, Oregon, United States
  • Jun 9th
NIB Marley 6080RLX2 White Bath/Fan Light Finish Pack For 6080RL Bath Vent/Light

NIB Marley 6080RLX2 White Bath/Fan Light Finish Pack For 6080RL Bath Vent/Light

  • Mays Landing, New Jersey, United States
  • Jun 9th
*NEW* *Lot of 6* Broan Nutone C905 16 Volt 10VA Transformer Door Chime

*NEW* *Lot of 6* Broan Nutone C905 16 Volt 10VA Transformer Door Chime

  • Saint Cloud, Minnesota, United States
  • Jun 9th
Honeywell T8112D1005 5-2 day Programable Thermostat "White" T8112

Honeywell T8112D1005 5-2 day Programable Thermostat "White" T8112

  • Arlington, Texas, United States
  • Jun 9th
HUNTER 44110A Digital Programmable Thermostat

HUNTER 44110A Digital Programmable Thermostat

  • Portland, Oregon, United States
  • Jun 9th
Honeywell Aquastat 5/8 O.D Cubic Pipe - L6076B

Honeywell Aquastat 5/8 O.D Cubic Pipe - L6076B

  • Mahopac, New York, United States
  • Jun 9th
Honeywell T7770A 1006 Room temp Sensor "NEW"

Honeywell T7770A 1006 Room temp Sensor "NEW"

  • Gansevoort, New York, United States
  • Jun 9th
*NEW* Frymaster FM826-1714 8261714 Natural Gas FB Ignitor *NEW*

*NEW* Frymaster FM826-1714 8261714 Natural Gas FB Ignitor *NEW*

  • Lima, Ohio, United States
  • Jun 9th
MAMAC TE-702-B-7-C Duct Temperature Sensor "used"

MAMAC TE-702-B-7-C Duct Temperature Sensor "used"

  • Gansevoort, New York, United States
  • Jun 9th

By clicking "Accept All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.

Accept All Cookies