Part # 31 on the Modine Parts Diagram Modine heater universal standing pilot assembly includes tubing, igniter, mounting bracket, instructions, & pilot orifices for propane (LP) and natural gas (NG). Modine Part # 3H37454-2 (Works with standing pilot Modine PD, PAE, & PA heaters) Replaces part #s 3H34030-10, 3H34030-1, 3H34030-5, 3H34030-8, 3H32135-1, 3H32135-2, 3H32135-3, 3H32135-4, 3H32135-5, 3H32135-6, 3H32135-7, 3H32135-8, 3H32135-9, 3H32135-10, 3H32135-11, 3H32135-21, 3H32135-22,...