SKU: 57169862018

GAF Master Flow Humidistat/Thermostat Control Kit, UL Approved

Sale price$60.98 Regular price$67.76
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Description

GAF Master Flow Humidistat/Thermostat Control Kit, UL ApprovedHumidistat Thermostat Control Kit Fully adjustable humidistat thermostat kit designed to regulate attic power ventilators, helping reduce damaging heat and moisture. Compatible with Master Flow and LL Building Products power vents and listed to UL standards. Key Features: Dual Control: Integrates humidity and temperature settings to optimize attic ventilation performance. Wide Adjustability: User adjustable humidity and temperature ranges to suit

Humidistat/Thermostat Control Kit

Fully adjustable humidistat/thermostat kit designed to regulate attic power ventilators, helping reduce damaging heat and moisture. Compatible with Master Flow and LL Building Products power vents and listed to UL standards.


Key Features:

  • Dual Control: Integrates humidity and temperature settings to optimize attic ventilation performance.
  • Wide Adjustability: User-adjustable humidity and temperature ranges to suit varying climate conditions.
  • UL Approved Safety: Listed accessory for dependable, code‑aligned operation.
  • Broad Compatibility: Works with Master Flow and LL Building Products power vents.
  • Compact, Ready-to-Wire Design: Simple panel with clear dials for quick setup and tuning.

Specifications Table:

Specification Details
Manufacturer/Brand GAF
Model/Manufacturer Number HT1
Product Number GAFHT1
Product Name Humidistat/Thermostat Kit
Application Controls attic power ventilators to reduce heat and moisture
Compatibility Master Flow and LL Building Products power vents
Adjustability User-adjustable humidity and temperature settings
Standards UL Approved (listed fan accessory)
Unit of Measure PC
Item Weight 0.9 lb
Category/Style Ventilation and Drainage

Frequently Asked Questions (FAQ):

Q: What does this kit control?
A: It monitors both humidity and temperature to automatically activate compatible attic power ventilators.


Q: Is it compatible with my existing fan?
A: It can be used with Master Flow and LL Building Products power vents; check your fan’s specifications for control input compatibility.


Q: Is it adjustable?
A: Yes, both humidity and temperature setpoints are user-adjustable via front dials.


Q: Is it safety listed?
A: Yes, it is UL approved as a listed fan accessory.


Q: Can I install it myself?
A: Basic electrical wiring is required; follow manufacturer instructions and disconnect power before servicing.


Quiet Climate Control for a Healthier Attic

This sleek control panel brings intention to your roofline—balancing temperature and humidity to protect finishes and furnishings below. I love the crisp, utilitarian face with intuitive dials—form serving function beautifully. Tuck it near your attic access and pair with a discreet power vent for a space that breathes effortlessly. It’s a smart, subtle luxury that elevates comfort and preserves your home’s integrity.


Protect your home from heat and moisture—add this adjustable GAF humidistat/thermostat kit to your attic fan today.

Shipping Notes
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  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 57169862018

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Kathy Ross
Boise, US
★★★★★ 5
Cute t-shirts!
Color: Brown, Size: X-Large
Great t-shirts!
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Reviewed in the United States on May 30, 2026
A
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Allison
Los Angeles, US
★★★★★ 5
Supportive, Comfortable & Super Flattering
Size: 42DD, Color: White
I’m really impressed with this bra! It offers great support while still feeling comfortable enough to wear all day. The fit is flattering and smooth under clothes, and I love that it provides full coverage without feeling bulky. The material feels soft and well made, and the underwire gives just the right amount of lift and shape. It’s a great everyday bra that actually looks and feels good on, definitely a win!
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Reviewed in the United States on February 27, 2026
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Emily
Belleville, US
★★★★★ 5
Absolutely Love!
Size: 40D, Color: Warm Beige
I lost some weight and wanted a new bra. I love a minimizer. I randomly bought this and thought I'd try it. Seriously...I absolutely love it. I was a bra merchandiser for a VERY large company for years, so I have bought and tried on hundreds of bras. This bra holds, gives amazing shape and is so comfy. The straps are wide so they won't fall down. The band is tight but comfy. The wite doesn't poke. The fabric is soft and stretchy. The unlined cups lift and give you great shape. If you are thinking about it, do it. You won't be sorry!
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Reviewed in the United States on February 18, 2026
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Verified Purchase
R.P.
Lowell, US
★★★★★ 4
Comfortable and supportive. Didn't last as long as some of the other colors.
Super comfortable and supportive. Color and design were cute. Only issue is the wire broke through after a few months. Have bought many others from this same seller and had better luck with how long they lasted. I would buy again because of comfort if it goes on sale. Green and light blue one were also comfortable but long lasting. Nude colored one digs in under bust and doesn't have as much softness around wires.
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Reviewed in the United States on May 13, 2026
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S
Port Orchard, US
★★★★★ 3
Wire pops out! Great shape and comfort
Size: 34D, Color: Oatmeal Heather
They last a couple months, but I wear these about once a week. The wire pops out enough (I have 4-5 of these), that I always carry a back up bra. The wire hurts and breaks skin, and moleskin doesn’t fix it. The minimizing and support is pretty good and the bra is comfortable, it just doesn’t last very long which is a shame. I will still buy them because it is a great fit, but I wish they reinforced the wire closing. I have a small band and large cup and it looks pretty good under tighter Tshirts.
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Reviewed in the United States on May 13, 2026

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