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PureFlo 1-1/2" Tub Drain Kit - with Overflow

Kohler

PureFlo 1-1/2" Tub Drain Kit - with Overflow

$345.77

K-78438-NA

Finish:

48 in stock
Inquire for Availability & Lead Times
Specifications Sheet Installation Instructions

Features & Information

Product Features
Product Features

Kohler K-78438-NA Features:

Sourced through authorized distribution channels.

  • Covered under Kohler's 1 year limited warranty
  • For baths 15 in. (381 mm) to 21 in. (533 mm) deep from the center of the bath overflow outlet to the center of the bath drain outlet
  • 30 in. (762 mm) length external cable
  • Flexible overflow joint conforms to various bath angles
  • Rotary or push handle controls and pop-up drain stopper (sold separately)
  • No internal linkages to minimize the potential for clogging
  • Includes tee, drain ell, and overflow ell with attached 1-1/2 in. OD pipe
  • Flexible overflow neck for easy installation to fit various bath angles
  • Length: 14-7/16" (left to right)
  • Connection Size: 1-1/2"
  • Connection Type: OD

Kohler K-78438-NA Specifications:

  • Height: 21-9/16" (top to bottom)
  • Length: 14-7/16" (left to right)
  • Connection Size: 1-1/2"
  • Connection Type: OD

Warranty: All warranty claims must be made through Omega Faucet.

Special Orders

Lead times and availability fluctuate based on current production and manufacturer inventory. We recommend submitting an inquiry for real-time availability prior to placing a Special Order by using the Inquire for Availability & Lead Times link above.

Special Order items are confirmed directly with the manufacturer or authorized distributor prior to payment. Once availability, lead time, and final details are confirmed, the order is finalized via invoice or checkout confirmation.

Payment & Ordering

We offer flexible payment options based on order size and item type.

Standard Checkout
Many items can be purchased online using major credit cards, Shop Pay, Apple Pay, or Google Pay. For Special Order items, customers who proceed with standard checkout acknowledge that availability and lead times may not yet be confirmed.

Project & Special Orders
For larger project-based or Special Orders (typically $5,000+), payment is often completed via wire transfer or ACH once availability and final details are confirmed. Invoice-based payment may also be used for Special Orders requiring pre-approval.

When applicable, payment instructions are provided directly by our team.

Processing & Shipping

New In-Stock Items:
Orders typically take 2–3 business days to process and ship.

Open Box Items:
Orders placed by 2:00 PM ship same day.

Special Order Items:
Select products are offered as Special Order, providing access to exclusive finishes and limited-availability collections. Availability and delivery timelines are confirmed individually.

We’ll be happy to confirm availability and lead time prior to purchase. Please use the Inquire for Availability & Lead Times link above for personalized assistance.

Shipping Rates:
Complimentary shipping on most orders over $99. Learn More

Tax-Free Advantage 

Enjoy 100% tax-free shopping on all orders delivered outside of Alabama—a direct 6–10% savings.

Warranty

We handle all manufacturer issues, part replacements, and technical coordination on your behalf to ensure a swift, seamless resolution. Learn More

Returns & Exchanges

Returns are accepted within 30 days of delivery for items in unused, uninstalled, original condition.

Return shipping is the buyer’s responsibility. Restocking fees may apply:

  • Open-box items: 3.5% on returns over $400
  • New items: 5% standard restocking fee
  • Special Order: 18% on cancellations & returns.
  • Learn More

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