.Model Number 5001521A, 5001522A, 5002521A, 5002522A, Fits Brand Williams Comfort Products Burner Tube, 50,000 Btu, For Use With Grainger Item Number 36FK38, 36FK42, 36FK45, 36FK48, For Use With Mfr.
.Model Number SHL-N-450-SS, TSHL-N-450-SS, For Reel Series SH-SERIES, T-SERIES Replacement Spring, Spring Type Spring with Canister, Spring Material Steel, Canister Material Stainless Steel, For Use With Mfr.