Honeywell TH109PLUS Thermostat 324846-701 this unit is a primary

this unit is a primary ZR57K3E-PFV-930 replacement and is also compatible with the ZR57K3E-PFV-830

Can I use this to replace the older 450132-001 model

Engineered for high-reliability industrial and commercial combustion applications

verify the bolt pattern and belly band spacing against the original HVAC replacement part specs

The screw terminal connections simplify field wiring

Honeywell TH109PLUS Thermostat 324846-701 this unit is a primaryThe Honeywell TH109PLUS is a 240V electronic triac thermostat designed for electric heating applications with a control range of 40F to 85F. This line voltage thermostat is engineered for reliable temperature control in baseboard heaters, convectors, and other electric resistance heating systems requiring precise on off regulation without mechanical switching components. This triac thermostat uses solid state switching technology, eliminating relay