Cart 0
Free freight shipping
To residential and commercial addresses
30-day returns
Shipping charges may apply.
Contractor pricing, for everyone
One delivered price. No surprises.
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.
SKU: RSH-50 · Category: INSTALLATION SUPPLIES

Rectorseal RSH-50 Surge Protective Device For Single-Phase System

$117.45

-

  • Free shipping — most items ship by the next day

Licensed HVAC technician required. Must be installed by a certified professional. Improper installation voids the manufacturer warranty.

Secure payment
VISA MC AMEX DISC PayPal Affirm CHECK
SKU: RSH-50 · Category: INSTALLATION SUPPLIES
Rectorseal RSH-50 Surge Protective Device For Single-Phase System
Not sure this fits your unit?
Call us with your model number and we'll confirm the right part before you order.

Rectorseal RSH-50 Surge Protective Device (SPD) For Single-Phase System 120/240 VAC Tape 1

 

Rectorseal

 

FEATURES
Lifetime Warranty

Long-lasting Gas Discharge Tube Technology
For Residential or Commercial Use
TFMOV Technology
Green LED Indicates Protection

Installation Instructions

Why homeowners choose NAW

Genuine OEM parts

Every part we sell is the real thing — authorized, factory-genuine, and backed by the full manufacturer warranty.

Easy online ordering

Find your part by model number, add to cart, and get it delivered to your door — no middleman, no markup.

30-day hassle-free returns

Ordered the wrong part? Send it back within 30 days.

Help when you need it

Not sure if this is the right part? Call us at (888) 292-0874 and we’ll help you find the correct replacement.

What buyers are saying

Verified reviews from customers who purchased this product.

Write a review
5.0
5 verified reviews
5★
100%
4★
0%
3★
0%
2★
0%
1★
0%
TT
Tom T

The Rectorseal RSH-50 Surge Protective Device for Single-Phase Systems is an outstanding investment, delivering superior protection at an amazing price! Its high-quality design and reliable performance have given me peace of mind, safeguarding my equipment and ensuring smooth operation without any interruptions.

FS
Frank S

The Rectorseal RSH-50 Surge Protective Device for Single-Phase Systems is a lifesaver, offering robust protection against power surges at a remarkably affordable price. Installation was straightforward, and it immediately provided peace of mind, safeguarding my HVAC system from unexpected electrical spikes.

DD
Dariel D

I recently purchased the Rectorseal RSH-50 Surge Protective Device for Single-Phase Systems, and I’m beyond impressed with its outstanding performance, coupled with an excellent price—a truly electrifying addition to safeguard your equipment!

R
Ronin

I recently purchased the Rectorseal RSH-50 Surge Protective Device for a single-phase system, and the surprising affordability of this device coupled with its outstanding performance has not only safeguarded my equipment but also exceeded my expectations, making it an unbeatable choice for anyone seeking a thrilling blend of protection and cost-effectiveness in their electrical setup.

J
James

Get ready to be amazed by the Rectorseal RSH-50 Surge Protective Device for Single-Phase Systems! Despite its surprisingly affordable price, this device delivers exceptional protection, safeguarding your electrical system with top-tier performance against power surges. It’s a game-changer in securing your electronics – an incredible value for ensuring your system’s safety and longevity!