this model is specifically rated for millivolt compatible heating applications

By ensuring no air infiltration or gas bypass occurs at the ignitor mounting flange

The lightweight polycarbonate plastic enclosure is glass-filled and UL 94V-5-0 rated

Common Questions Is the HC91PD001 compatible with ductless mini-split systems

Maxitrol RV47L-3/8 Regulator this model is specifically ratedThe Maxitrol RV47L 3 8 is a professional grade appliance gas regulator engineered for main burner and pilot load applications requiring precise control of low volume flows. Built with a straight thru flow design, this 3 8" NPT gas regulator maintains high sensitivity and accuracy for residential and light commercial equipment. It features a rubber seat poppet for superior shut off and seating, ensuring reliable pressure regulation in hearth products,