Traction and Scale is proud to present Heiman Natural Gas Alarm as its New York Master Distributor bringing safety to your community!
Best Value & Superior Safety Natural Gas Detector
Heiman HM-733NS
Superior Safety
Low-power MEMS sensor
Alarm threshold 7%LEL*for earlier warning
24/7 protection with no power-outage risk
Unbeatable Cost-Efficiency
Battery powered cutting ownership cost by up to 75% compared with wire models
No electrician required, no hidden fees
Intuitive Interface
Clear status indication with three-color LED:Normal/ Alarm/Fault
Audible temporal-3 pattern 85 dB
One-button mute
End-of-life &low-battery chirp
Latest Compliance
Designed to conform with Latest UL1484 Standard,NFPA715,FCC-Residential Use
Natural Gas/Methane Sensor UL 2075 Listed
Compliant with New York City’s Local Law 157. LL157 mandates natural gas detectors installed in residences with gas appliances by January 1, 2027
Alarm threshold 7% LEL is based on laboratary results tested on July 18, 2025. Sensitivity might vary slightly between sensor batches and will not exceed 10% LEL, meeting UL1484 requirements.
