1. Multifunctional HVAC Diagnostic Tool – Rotation Checker & Solenoid Tester, Portable Keyring Design For Plumbing Professionals

Features:
Essential for seasonal maintenance, this compact circulating pumps tester quickly diagnoses pumps operations and detects solenoid functionality in heating systems, serving as a versatile double purpose diagnostic tool.
Featuring a built in field indicators and color coded rotating screws, for precise troubleshooting.
Designed for professional plumbers, HVAC technicians, and heating contractors requiring reliabled equipment to verify systems readiness during pre season inspections.
Ideal for detecting pumps blockages after prolonged downtime or validating electromagnetic performances in boilers, radiators, and oil fired heating units.
Its lightweight metal construction with keychain ready portability ensures effortless storage in toolkits, making it indispensable for on site diagnostics across residential and commercial heating setups.

Specifications:
Size: main body 50x16mm/1.96x0.62inch
Weight: 15g
Component Metal

Package Includes:
1pcs Heating Pumps Rotation Checker

Note:
1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order.
2.Due to the differences between different monitors, the picture may not reflect the actual color.
Thanks for your understandings.