Relays

*Notice to HVACR Licensees Pertaining to HB 1162 (2025)

Dear HVACR Licensee,

The Maryland General Assembly has enacted House Bill 1162 (Chapter 386, 2025), which introduces new requirements related to the sale and purchase of heating, ventilation, air–conditioning, and refrigeration (HVACR) equipment. This law takes effect on October 1, 2025.

Key Provisions:

Sales Restricted to Licensed Professionals: HVACR equipment may only be sold to an individual or a business who:

holds or employs a holder of a Master, Master Restricted, or Limited License issued by the State Board of Heating, Ventilation, Air–Conditioning, and Refrigeration Contractors, or employ an individual who holds one of these licenses;
operates a business that resells equipment to licensed HVACR professionals; or
falls under a statutory exemption set forth in Maryland Annotated Code, Business Regulation Article § 9A–103.

Penalties for Violations:

First violation: Civil penalty up to $1,000. Maryland Annotated Code, Business Regulation Article §§ 9A–501.1 and 9A-505.
Second or subsequent violations: Civil penalty up to $5,000. Id.

What This Means for Licensees:

Ensure your license is current and valid so that you can continue to purchase HVACR equipment without interruption.
Be prepared to confirm your license status when purchasing HVACR equipment.

This legislation takes effect on October 1, 2025.

For questions, please contact the State Board of Heating, Ventilation, Air–Conditioning, and Refrigeration Contractors at DLOPLHVACR-LABOR@maryland.gov.

20400301 Potential Relay, 190-200 Volts Pickup, 40-105 Volts Dropout, 375 Volts Continuous Coil

LB-94620A Isolation Relay Kit

67K1901 Relay, SPDT, 120 Volts

20G5101 Relay, 3PDT, 24 Volts

Blower Relay Board, Used in ECB24, LB-112642A

White-Rodgers 24A34-6, Electric Heat Sequencer, 4 Switches 2 Timings, 1-110 Seconds On/Off

102288-01 Relay, DPST N.O., 240 VAC

Lennox 49K0201, Interval Timer, 24 VAC

49F5901 Relay, SPDT and DPST, Defrost and Reversing Valve, 208-240 Volts

59C7101 Relay, DPDT, 24 Volts

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Relays

20400301 Potential Relay, 190-200 Volts Pickup, 40-105 Volts Dropout, 375 Volts Continuous Coil

LB-94620A Isolation Relay Kit

67K1901 Relay, SPDT, 120 Volts

20G5101 Relay, 3PDT, 24 Volts

Blower Relay Board, Used in ECB24, LB-112642A

White-Rodgers 24A34-6, Electric Heat Sequencer, 4 Switches 2 Timings, 1-110 Seconds On/Off

102288-01 Relay, DPST N.O., 240 VAC

Lennox 49K0201, Interval Timer, 24 VAC

49F5901 Relay, SPDT and DPST, Defrost and Reversing Valve, 208-240 Volts

59C7101 Relay, DPDT, 24 Volts

Would you like to create a proposal for a new lead?

Would you like to create a proposal for existing lead?

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