Name: Supco CRTT2-21 Chart 31 Day -20F-120 / 40F-110F (60-Pack)
Brand: Supco
SKU: CRTT2-21
Price: 46.91 USD
Availability: InStock

Supco CRTT2-21 Chart 31 Day -20F-120 / 40F-110F (60-Pack)

Description

Product Summary

The Supco CRTT2-21 Chart 31 Day -20F-120 / 40F-110F is a professional-grade replacement part from Supco (Sealed Unit Parts Co.), a trusted name in HVAC/R and appliance parts since 1945. Dual Temperature Chart for CR4/KTT - 31 Day.

Circular chart recorders and replacement charts document temperature and pressure over time for HACCP food-safety compliance, pharmaceutical storage, walk-in coolers, and system troubleshooting. Match the chart range, duration (6 hour, 24 hour, 7 day, 31 day), and recorder series.

Key Features

31 day recording time
Dual temperature range

Specifications

Brand	Supco
Part Number	CRTT2-21
Part Type	Chart Recorder / Chart
Ranges	-20°F to 120°F / -20°F to 50°F
Speed	31 Day
Pack Quantity	60

What's Included

(60) Supco CRTT2-21 Chart 31 Day -20F-120 / 40F-110F

Safety: Always disconnect power and follow lockout/tagout procedures before servicing electrical components. Installation should be performed by a qualified technician.

Extra Information

Find your comfort-ready size with confidence

Get a fast, learning-friendly estimate for tons and BTUs, then review it with a Pro to dial in the perfect fit for your home.

Quick sizing snapshot

Enter your home size and a few basics to see a quick HVAC365 sizing snapshot you can review with a Professional.

Home size (sq ft)

Enter at least 100 sq ft.

Use conditioned square footage only; skip garages and unfinished basements.

Climate

We’ll auto-detect for U.S. visitors.

Home type

Select your home type.

Shared walls and insulation levels change the load—pick what matches your structure.

System type

Choose a system type.

Match the system to your ductwork, fuel, or preferred heat source for best comfort.

This is a sizing estimate for general guidance only. Always confirm final size, duct design, and fuel type with a Professional before purchasing equipment or pulling permits.

Brand:

Supco

Weight:

2.00 LBS

Safety Information:

⚠ WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Prop 65 Warning:

Yes

Part Type:

Chart Recorder / Chart

Ranges:

-20°F to 120°F / -20°F to 50°F

Speed:

31 Day

Pack Quantity:

Please Note: To validate the manufacturer's warranty, equipment must be installed by a qualified licensed professional in accordance with local codes and the manufacturer's installation requirements.