Mercury A-171-1: 19" Apron with Bumper for BOSS Floor Machines
The A-171-1 is a 19" replacement apron with integrated bumper for Mercury BOSS-1 and BOSS-2 floor machines. It weighs 6 lbs and installs with three thumb screws — the same tool-free mounting system as the 13", 15", 17", and 21" apron sizes. At 19", the A-171-1 fits through standard 36" commercial doorways while covering more floor per pass than the 13", 15", or 17" aprons.
A-171-1 Specifications and Compatibility
Model: A-171-1
Apron size: 19 inches — fits through standard 36" commercial doorways with clearance on each side
Installation: Three thumb screws — interchangeable with all other BOSS apron sizes
Compatible machines: Mercury BOSS-1 and BOSS-2 Heavy-Duty Floor Machines
Where the 19" Apron Fits in Multi-Zone BOSS Machine Operations
The 19" apron is the most versatile size in the BOSS apron lineup for facilities with mixed-width floor zones. It fits through standard commercial doorways, passes between fixed equipment with standard 24" aisle width on each side, and covers nearly as much floor per pass as the 21" apron in open areas. Facilities that run a 21" apron in large rooms and need to continue cleaning through doorways into connecting hallways or restroom entries use the 19" apron to maintain machine efficiency without switching to a narrower tool. The 19" apron also suits hotel guest corridors, school hallways, and medical office hallways where the 21" apron may be one inch too wide for the corridor width or existing furniture arrangement. For zones narrower than 19" plus side clearance, the 17", 15", or 13" aprons handle the access.
Non-Marking Bumper and BOSS Machine Apron Swap Mechanism
The A-171-1's perimeter bumper contacts walls before the apron body does, and its non-marking material prevents color transfer or surface damage on painted walls, varnished baseboards, and tile wainscoting. The bumper is part of the apron assembly — it replaces with the apron rather than wearing separately, eliminating the need to inspect bumper condition as a separate maintenance item. The three-thumb-screw installation means the apron change takes place without tools: loosen three thumb screws, remove the current apron, place the 19" apron, tighten. The BOSS machine body does not need to be moved or turned off between apron swaps, and the pad driver from the previous apron may or may not transfer depending on size — verify compatibility with the 19" apron's pad driver requirement before swapping mid-task.
Specification
Value
Model
A-171-1
Apron Size
19 inches
Weight
6 lbs
Bumper
Non-marking perimeter bumper
Installation
3 thumb screws (tool-free)
Compatible Machines
Mercury BOSS-1, BOSS-2
Manufacturer's Warranty
This product comes with a full manufacturer's warranty. All warranty claims are handled directly by the manufacturer.
For specific warranty details, please contact us at +1 (978) 295-7538 or email info@uscleaningtools.com
B2B & Tax-Exempt Purchases
We supply contractors, restoration companies, property managers, schools, government agencies, and other tax-exempt organizations.
How to place a tax-exempt order:
Write to us through our Contact Us page or email info@uscleaningtools.com and attach your valid tax exemption certificate (state resale or exemption certificate).
We verify your certificate and mark your account tax-exempt — usually within one business day.
Place your order and sales tax will not be charged.
For volume pricing or purchase orders, call +1 (978) 295-7538.
Shipping & Returns
Free shipping on most brands for orders over $300, delivered to the lower 48 states. Any brand-specific freight rate is shown at checkout before you pay.
Processing & delivery: in-stock orders are processed within 1–2 business days and typically deliver in 5–7 business days. Tracking is emailed within 24 hours of shipment. Built-to-order and backordered equipment shows its lead time on this page.
Freight deliveries: inspect your equipment on arrival and note any damage on the delivery receipt. Items damaged in transit or defective on arrival are fully covered at no cost to you.
Cancellations: cancel any time before your order ships for a full 100% refund.
30-day returns: return unused equipment in its original packaging within 30 days of delivery. Change-of-mind returns are subject to a restocking fee. To start a return, email info@uscleaningtools.com or call +1 (978) 295-7538.
Added to cart
Mercury Floor Machines A-171-1 BOSS Floor Machine Apron –...
Frequently bought with the Mercury Floor Machines A-171-1 BOSS Floor Machine Apron – 19", 6 lbs, with Bumper
Added to your order — shipped together.
Frequently Asked Questions
What is the difference between the A-171-1 (19") and A-172-1 (21") aprons?
The A-171-1 is 19" wide; the A-172-1 is 21" wide. Both weigh 6 lbs and use the same three-thumb-screw installation on BOSS-1 and BOSS-2 machines. The 19" apron fits through standard 36" doorways with clearance on each side. The 21" apron covers 2" more floor per pass in open areas where width is not a constraint.
Which BOSS machines is the A-171-1 compatible with?
The A-171-1 is designed for Mercury BOSS-1 and BOSS-2 Heavy-Duty Floor Machines. It is not compatible with Hercules, Lo-Boy, or other Mercury machine series.
Does the 19" apron fit through standard commercial doorways?
Yes. A standard commercial doorway is 36" wide. A 19" apron leaves approximately 8.5" of clearance on each side — sufficient to pass through without tilting the machine or removing door hardware. The 21" apron (A-172-1) requires narrower clearance and may not fit through some doorways without repositioning.
Can the A-171-1 apron be used with the Unicorn Weight Kit?
Yes. The Unicorn Weight Kit (UWK) is compatible with BOSS machines. Adding the UWK weights to the BOSS machine with the 19" apron installed increases pad pressure by up to 50 lbs — relevant for stripping and heavy scrubbing tasks where additional downward force improves single-pass effectiveness.
Is a pad driver included with the A-171-1 apron?
No. The A-171-1 is the apron assembly only. Pad drivers are purchased separately. Confirm the correct pad driver size for the 19" apron from Mercury's BOSS machine parts list before ordering accessories.
Frequently Asked Questions
1. What payment methods can I use?
We accept Visa, MasterCard, American Express, Diners Club, Discover, major debit cards, and digital wallets like PayPal, Google Pay, Meta Pay, and Apple Pay.
2. When will my payment be processed?
Your credit/debit card or PayPal account will be charged when you place your order. Secure payment processing protects your information.
3. Will I receive an order confirmation?
Yes, a confirmation email will be sent to the provided email address once the order is placed.
4. How long does it take to process an order?
Orders are processed within 1-2 business days and then prepared for shipment.
5. How long does it take for my order to arrive?
Estimated arrival time (ETA) is 5-7 business days for all orders.
6. Do you offer warranty?
All our products come with a manufacturer warranty of at least 1 year, depending on the brand.
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