it prevents thermal stress and potential heat exchanger cracks by interrupting the gas valve operation while allowing the blower motor to dissipate residual heat

this unit is strictly for 120V 60Hz systems

It is housed in a rugged metallic junction box with accessible knockouts

ensuring the main burner ignites within the critical four-second window

Key Benefits Dead-End Lock-Up Performance: The high-leverage valve linkage ensures positive dead-end lock-up

Enviro-tec PE-09-6140 Limit Switch Els PW 17895 it prevents thermal stress andThe Enviro tec PE 09 6140 is a high limit thermal cutout switch designed to maintain system safety in Enviro tec VAV boxes and fan coil units. This L140 cutout limit switch is engineered to open the electrical circuit when internal plenum temperatures reach 140F, preventing heat damage to the motor and electrical components. For technicians performing HVAC limit switch replacement, this component ensures precise thermal monitoring and high reliability