Fits Model APW: CFHS-33H19, ECO-4000-350L, ECO-4000-500L, HR-20, HR-31, HR-31BC, HR-31BD, HR-31BW, HR-31SBC, HR-31SBD, HR-31SBW, HR-45, HR-45BC, HR-45BW, HR-50, HR-50BC, HR-50BD, HR-50SBC, HR-50SBD, HR-75, HR-75BC, HR-75BW, HR-85, HRS-20, HRS-31, HRS-31BC, HRS-31BD, HRS-31BW, HRS-31S, HRS-31SBC, HRS-31SBD, HRS-31SBW, HRS-45, HRS-45BC, HRS-45BW, HRS-50, HRS-50BC, HRS-50BD, HRS-50SBC, HRS-50SBD, HRS-75, HRS-75BC, HRS-75BW, HRS-85, PSST-2, PSST-3, PSST-4, PSST-5, PST-2, PST-3, PST-4, PST-5, SST-2, SST-3, SST-4, SST-5, ST-2, ST-3, ST-4, ST-5, WS-2, WS-3, WS-4, WS-5, WS-6

Replaces Part Number APW WYOTT: 1326810, 13279, 1327900, 2E-1327900